List of biographies / cast
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Cast
- Cast, Joachim (* 1968), German soccer player
- Cast, Kristin (* 1986), American author
- Cast, Phyllis Christine (* 1960), American author
- Cast, Tricia (* 1966), American actress
Casta
- Casta, Laetitia (* 1978), French actress
- Castagna, Domingo Salvador (* 1931), Argentine clergyman, senior archbishop of Corrientes
- Castagna, Ludwig (1867–1944), Austrian mechanic and inventor
- Castagne, Pat (1916-2000), Trinidadian composer
- Castagne, Timothy (* 1995), Belgian football player
- Castagner, Ilario (* 1940), Italian football player and coach
- Castagnet, Mathieu (* 1986), French squash player
- Castagneto, Giovanni Battista (1851–1900), Brazilian-Italian painter
- Castagnetti, Alberto (1943–2009), Italian swimmer and swimming coach
- Castagnetti, Giacomina (* 1925), Italian resistance fighter
- Castagno, Andrea del († 1457), Italian Renaissance painter
- Castagnola, Bartolomé (* 1970), Argentine polo player
- Castagnoli, Giulio (* 1958), Italian composer
- Castaigne, André († 1929), French-American painter
- Castaignos, Luc (* 1992), Dutch football player
- Castaing, Francis (* 1959), French racing cyclist
- Castaing, Raimond (1921-1998), French physicist
- Castaing-Taylor, Lucien (* 1966), British anthropologist and video artist
- Castaingdebat, Armando (* 1959), Uruguayan politician
- Castaldi, Alfonso (1874–1942), Italian-Romanian composer, conductor and music teacher
- Castaldi, Bellerofonte († 1649), Italian composer, writer and lutenist
- Castaldi, Jean-Pierre (* 1944), French actor
- Castaldini, Alberto (* 1970), Italian historian, folklorist and journalist
- Castaldo, Alessandro , German American football players
- Castaldo, Alfonso (1890–1966), Italian clergyman, Archbishop of Naples and cardinal
- Castaldo, Fabio Massimo (* 1985), Italian politician
- Castaldo, Giovanni Battista (1493–1563), Italian condottiere and general
- Castaldo, Matteo (* 1985), Italian rower
- Castan, Ernst (1871–1948), German politician (SPD), MdL
- Castan, Gustave Eugène (1823–1892), Swiss landscape painter, engraver and lithographer
- Castán, Leandro (* 1986), Brazilian soccer player
- Castan, Pierre (1899–1985), Swiss chemist
- Castaneda Castro, Salvador (1888–1965), President of El Salvador
- Castañeda Lossio, Luis (* 1945), Peruvian local politician, Mayor of Lima
- Castañeda y Álvarez de la Rosa, Jorge (1921–1997), Mexican ambassador
- Castaneda, Carlos (1925–1998), American anthropologist and writer
- Castañeda, David (* 1989), Mexican-American actor
- Castañeda, Edmar (* 1978), Colombian jazz musician
- Castañeda, Felipe , Mexican soccer goalkeeper
- Castañeda, Guadalupe (born 1965), Mexican soccer player
- Castañeda, Hector-Neri (1924–1991), Guatemalan philosopher and founder of the magazine Noûs
- Castañeda, Jaime (* 1986), Colombian racing cyclist
- Castañeda, Jorge (* 1953), Mexican politician, publicist and scientist, former Foreign Minister of Mexico
- Castañeda, Julio (* 1985), Argentine biathlete
- Castañeda, Leopoldo (* 1970), Mexican soccer player
- Castañeda, Martín (* 1963), Mexican football player
- Castaneda, Movita (1916–2015), American film actress of Mexican descent
- Castañeda, Raúl (1982-2017), Mexican boxer
- Castañeda, Sebastián de , founder of the convent
- Castañeda, Thom (* 1982), Austrian composer and pianist
- Castaneda, Troy (* 1989), American racing car driver
- Castaner, Christophe (* 1966), French politician, member of the National Assembly
- Castanet, André , French long distance runner
- Castanet, Pierre Albert (* 1956), French musicologist and composer
- Castang, Seb (born 1980), British actor
- Castanheda, Fernão Lopes de († 1559), Portuguese historian
- Castanheira, Bruno (1977-2014), Portuguese cyclist
- Castanho de Almeida, José Carlos (* 1930), Brazilian clergyman, former bishop of Araçatuba
- Castanho, Amaury (1927-2006), Brazilian clergyman and Roman Catholic Bishop of Jundiaí
- Castaño Arbeláez, José Alejandro (* 1945), Colombian religious, Bishop of Cartago
- Castaño Fonseca, Adolfo Miguel (* 1962), Mexican clergyman and Roman Catholic bishop of Azcapotzalco
- Castaño Gil, Carlos (1965–2004), Colombian paramilitary and founder of ACCU and AUC
- Castaño Gil, Fidel (1951–1994), Colombian drug trafficker and right-wing paramilitary
- Castaño Gil, Vicente (* 1957), Colombian drug trafficker and right-wing paramilitary
- Castaño Panadero, Carlos (* 1979), Spanish racing cyclist
- Castaño Rubio, Jorge Iván (* 1935), Catholic bishop
- Castaño, Brian (* 1989), Argentine light middleweight boxer
- Castaño, Catalina (* 1979), Colombian tennis player
- Castaño, Diana (* 1983), Spanish volleyball player
- Castano, Ernesto (* 1939), Italian football player
- Castaño, Jesús (* 1986), Colombian road cyclist
- Castaño, Yolanda (* 1977), Spanish author
- Castañón, José Manuel (1920–2001), Spanish writer
- Castanon, Joseph (* 1997), American actor
- Castaños, Francisco Javier (1756-1852), Spanish duke and general
Caste
- Castedo, David (* 1974), Spanish soccer player
- Casteel, Homer H. (1878-1958), American politician
- Casteels, Koen (* 1992), Belgian football goalkeeper
- Castejón Espinosa, Antonio (1896–1979), Spanish officer on the Franco side during the Spanish Civil War
- Castejón, Joan (* 1945), Spanish painter, printmaker and sculptor
- Castel de Saint-Pierre, Charles Irénée (1658–1743), French clergyman, publicist, philosopher and writer
- Castel, Corinne , French archaeologist
- Castel, Léa (* 1988), French contemporary R&B singer
- Castel, Lily (* 1937), Belgian singer
- Castel, Lou (* 1943), Swedish-Italian actor
- Castel, Louis-Bertrand (1688–1757), French Cartesian, opponent of the Newtonian system
- Castel, Nico (1931–2015), Portuguese-American opera singer (tenor), vocal teacher and language teacher
- Castel, René (1758–1832), French poet and naturalist
- Castel, Robert (1933–2013), French sociologist
- Castel-Barco, Sigmund Carl von (1661–1708), Bishop of Chiemsee
- Castel-Bloom, Orly (* 1960), Israeli author
- Castel-Branco, Carlos Nuno (* 1960), Mozambican political scientist, economist, publicist and human rights activist
- Castel-Branco, João Roiz de († 1515), Portuguese poet of the Renaissance
- Castelar, Emilio (1832–1899), Spanish writer and politician
- Castelbajac, Jean-Charles de (* 1949), French fashion and industrial designer
- Castelberg, Balthasar von (1748–1835), Swiss Reformed pastor and convert
- Castelberg, Christian von (* 1955), Swiss director
- Castelberg, Patrick von (* 1973), Swiss tenor
- Castelberger, Andreas , Swiss Baptist and bookseller
- Castelblanco, José (* 1969), Colombian racing cyclist
- Castelen, Romeo (* 1983), Dutch football player
- Casteleyn, Stefan (* 1974), Belgian squash player
- Castelhun, Friedrich Karl (1828–1905), German-American doctor and poet
- Casteljau, Paul de (* 1930), French physicist and mathematician
- Castell, Alexander (1883–1939), Swiss writer
- Castell, Friedrich I. zu , German sovereign
- Castell, Friedrich II zu , German sovereign
- Castell, Friedrich III. zu , German sovereign
- Castell, Friedrich IV zu († 1498), German sovereign
- Castell, Georg I. zu (1467–1506), German sovereign
- Castell, Georg II zu (1527–1597), German sovereign and diplomat
- Castell, Heinrich II zu , German sovereign
- Castell, Heinrich IV zu (1525–1595), German sovereign, canon and diplomat
- Castell, Hermann I. zu , German sovereign
- Castell, Hermann II zu , German sovereign
- Castell, Hermann III. zu , German sovereign
- Castell, Johann Anton (1810–1867), German landscape painter
- Castell, Johann zu (1468–1528), German sovereign
- Castell, Konrad zu (1519–1577), German sovereign and councilor
- Castell, Leonhard zu (1379–1426), German sovereign
- Castell, Margarete von , provost in the Essen monastery
- Castell, Rolf (1921–2012), German folk and theater actor and director
- Castell, Rupert I. zu , German sovereign
- Castell, Rupert II zu , German sovereign
- Castell, Wilhelm I. zu († 1399), German sovereign
- Castell, Wilhelm II zu (1415–1479), German sovereign
- Castell, Wolfgang I. zu (1482–1546), German sovereign
- Castell-Castell, Albrecht Friedrich Carl zu (1766–1810), German sovereign, later class lord
- Castell-Castell, Albrecht zu (1925–2016), German entrepreneur and banker
- Castell-Castell, Carl zu (1801–1850), ducal Colonel of Nassau, manager of the Mainz aristocracy
- Castell-Castell, Carl zu (1897–1945), German entrepreneur and officer
- Castell-Castell, Friedrich Carl zu (1864–1923), German nobleman
- Castell-Castell, Friedrich zu (1874–1919), Saxon ministerial and administrative clerk
- Castell-Remlingen, August Franz Friedrich zu (1705–1767), German sovereign
- Castell-Remlingen, Christian Adolf Friedrich Gottlieb zu (1736–1762), German sovereign
- Castell-Remlingen, Christian Friedrich Carl zu (1730–1773), German sovereign
- Castell-Remlingen, Friedrich Magnus zu (1646–1717), German sovereign and field marshal general
- Castell-Remlingen, Karl Friedrich Gottlieb zu (1679–1743), German sovereign
- Castell-Remlingen, Ludwig Friedrich zu (1707–1772), German sovereign and Pietist
- Castell-Remlingen, Wolfgang Dietrich zu (1641–1709), German count and sovereign
- Castell-Remlingen, Wolfgang Georg I. zu (1610–1668), German sovereign
- Castell-Remlingen, Wolfgang Georg II zu (1694–1735), German sovereign
- Castell-Remlingen, Wolfgang II zu (1558–1631), German sovereign
- Castell-Rüdenhausen, Christian Friedrich zu (1772–1850), German sovereign, later class lord
- Castell-Rüdenhausen, Clementine zu (1912–2008), German youth leader, representative of the BDM work “Faith and Beauty” in the Reich youth leadership of the NSDAP
- Castell-Rüdenhausen, Friedrich Ludwig Carl Christian zu (1746–1803), German sovereign and patron
- Castell-Rüdenhausen, Georg Friedrich zu (1600–1653), German sovereign
- Castell-Rüdenhausen, Gottfried zu (1577–1635), German sovereign
- Castell-Rüdenhausen, Johann Friedrich zu (1675–1749), German sovereign
- Castell-Rüdenhausen, Philipp Gottfried zu (1641–1681), German sovereign
- Castell-Rüdenhausen, Siegfried Friedrich Kasimir zu (1860–1903), German lawyer and diplomat
- Castell-Rüdenhausen, Siegfried Fürst zu (1916–2007), German farmer and forest manager, entrepreneur and hunting official
- Castell-Rüdenhausen, Wulf-Diether Graf zu (1905–1980), German aviation pioneer and airport director
- Castella, André (1805–1873), Swiss politician and State Councilor of the Canton of Friborg
- Castella, Gérard (* 1953), Swiss football coach
- Castella, Jean-Edouard de (1881–1966), Swiss painter
- Castella, Peter de , master builder in Sønderborg
- Castellacci, Francesco (* 1987), Italian racing driver
- Castellacci, Mario (1925–2002), Italian screenwriter
- Castellan, Georges (1920–2014), French publicist and historian
- Castellana, Georges (1898–1964), French Romanist, Occitanist and lexicographer
- Castellana, Guillermo de (1912–1986), Italian-Colombian clergyman
- Castellane, André-Dominique-Jean-Baptiste de (1703–1751), French bishop
- Castellane, Boniface de (1788–1862), French general and Marshal of France
- Castellane, Pierre-Joseph de (1661–1739), French Roman Catholic clergyman and bishop
- Castellaneta, Dan (born 1957), American actor and voice actor
- Castellaneta, Giovanni (* 1942), Italian diplomat
- Castellani, Aldo (1874–1971), Italian pathologist and bacteriologist
- Castellani, Benvenuto Italo (* 1943), Italian clergyman, emeritus Roman Catholic Archbishop of Lucca
- Castellani, Carlo (1909–1944), Italian football player
- Castellani, Enrico (1930–2017), Italian painter
- Castellani, Flavio , Italian astronomer
- Castellani, Giuseppe Maria (1798–1854), Italian Curia Bishop
- Castellani, Iván (* 1991), Argentinian volleyball player
- Castellani, Leandro (* 1935), Italian documentary filmmaker and television director
- Castellani, Mario (1906–1978), Italian actor
- Castellani, Massimo (* 1942), Italian film director
- Castellani, Renato (1913–1985), Italian film director and screenwriter
- Castellani, Roberto (1926–2004), Italian survivor of the Mauthausen and Ebensee concentration camps
- Castellani, Rocky (1926-2008), American boxer
- Castellani painter , Attic vase painter of the black-figure style
- Castellano, Franco (1925–1999), Italian screenwriter and director
- Castellano, Giuseppe (1893–1977), Italian general
- Castellano, Ismaele Mario (1913–2007), Italian religious, Archbishop of the Archdiocese of Siena-Colle di Val d'Elsa-Montalcino in Siena, Italy
- Castellano, Joe (* 1937), American racing car driver and doctor
- Castellano, Manuel (* 1989), Spanish soccer player
- Castellano, Paul (1915–1985), American criminal and mafioso
- Castellano, Pierluigi (* 1958), Italian composer, musician and journalist
- Castellano, Ramón José (1903–1979), Argentine clergyman, Archbishop of Córdoba
- Castellano, Richard S. (1933–1988), Italian-American actor
- Castellano, Talia (1999-2013), American blogger
- Castellanos Contreras, José Arturo (1893–1977), Salvadoran consul
- Castellanos Cortés, Victoriano (1795–1862), President of Honduras
- Castellanos Franco, Nicolás Antonio (* 1935), Catholic bishop
- Castellanos León, Pablo (1860–1929), Mexican pianist and music teacher
- Castellanos Moya, Horacio (* 1957), Salvadoran journalist, writer and editor
- Castellanos y Castellanos, Leonardo (1862–1912), Mexican clergyman, Bishop of Tabasco
- Castellanos y Núñez, Vicente (1870–1939), Mexican clergyman, Bishop of Tulancingo
- Castellanos Yumar, Gonzalo (* 1926), Venezuelan composer
- Castellanos, Alberto (1896–1968), Argentine botanist and paleobotanist
- Castellanos, Alex (* 1954), American political activist and advisor
- Castellanos, Daniel (1882–1968), Uruguayan politician and diplomat
- Castellanos, Evencio (1915–1984), Venezuelan composer, pianist and music teacher
- Castellanos, Federico (* 1992), Uruguayan football player
- Castellanos, Florentino (1809–1866), Uruguayan politician
- Castellanos, Helga (* 1936), German translator
- Castellanos, Julio (1905–1947), Mexican painter and printmaker
- Castellanos, Mirla (* 1941), Venezuelan singer
- Castellanos, Rafael Antonio († 1791), Guatemalan composer and cathedral music director
- Castellanos, Rosario (1925–1974), Mexican poet and writer
- Castellari, Enzo G. (* 1938), Italian film director
- Castellazzi, Armando (1904–1968), Italian football player and coach
- Castellazzi, Luca (* 1975), Italian football goalkeeper
- Castelle, Friedrich (1879–1954), German journalist and writer
- Castellet, Queralt (* 1989), Spanish snowboarder
- Castelletti, Aldo (1881–1944), victim of the Holocaust
- Castelletti, Michelle (* 1974), Maltese conductor, composer and singer
- Castelletti, Sergio (1937-2004), Italian football player and coach
- Castelletto, Jean-Charles (* 1995), French football player
- Castelli Ferrieri, Anna (1920–2006), Italian architect and industrial designer
- Castelli, Albin (1822-1892), German miner, geologist, mineralogist and paleontologist
- Castelli, Alfredo (* 1947), Italian comic book author
- Castelli, Benedetto († 1643), Italian scientist
- Castelli, Gian Antonio , Swiss plasterer
- Castelli, Giuseppe (1871–1943), Italian Roman Catholic clergyman and Bishop of Novara
- Castelli, Giuseppe (1907–1942), Italian athlete
- Castelli, Giuseppe Maria (1705–1780), Italian cardinal
- Castelli, Ignaz Franz (1781–1862), Austrian poet and playwright
- Castelli, Juan José (1764–1812), Argentine politician
- Castelli, Leo (1907–1999), American gallery owner
- Castelli, Luciano (* 1951), Swiss painter, graphic artist, photographer and sculptor
- Castelli, Matteo († 1632), master builder and sculptor
- Castelli, Nino (1898–1925), Italian ski jumper and rower
- Castelli, Pietro , Italian medic and botanist
- Castelli, Roberto (* 1946), Italian politician (Lega Nord)
- Castelli, Teramo (1597–1659), Italian missionary
- Castelli, Wilhelm (1901–1984), German photographer
- Castellina, Luciana (* 1929), Italian politician, member of the Camera dei deputati, MEP and journalist
- Castellini, Claudio (* 1966), Italian comic artist
- Castellini, Luciano (* 1945), Italian football player and coach
- Castellini, Miguel Ángel (* 1947), Argentine boxer
- Castellino, Francisco , Uruguayan soccer player
- Castellio, Sebastian (1515–1563), French humanist scholar
- Castellitto, Sergio (* 1953), Italian film and theater actor as well as screenwriter and film director
- Castellnou, Joan de , Catalan poet
- Castelló Guasch, Joan (1911–1984), Catalan publisher and writer
- Castelló i Garriga, Llorenç (* 1976), Catalan choir director and music teacher
- Castelló, Angélica (* 1972), Mexican-Austrian musician and composer
- Castello, Dario , Italian composer
- Castello, Elia († 1602), Austrian sculptor, plasterer and mosaic artist
- Castello, Giambattista (1509–1569), Italian builder
- Castelló, Joan , conductor of the Barcelona Cathedral
- Castello, Johann Wilhelm Josef (1758–1830), German priest, cathedral dean and university professor
- Castello, Raffaele (1905–1969), Italian painter
- Castellón Sanabria, Francisco (1815–1855), Supremo Director of Nicaragua
- Castellotti, Eugenio (1930–1957), Italian racing driver
- Castellow, Bryant Thomas (1876–1962), American politician
- Castelloza , French Trobairitz
- Castells, Berta (* 1984), Spanish hammer thrower
- Castells, Manuel (* 1942), Spanish sociologist
- Castells, Nicolás (1799–1873), Spanish clergyman, Roman Catholic archbishop and diplomat of the Holy See
- Castellucci, Bruno (* 1944), Belgian jazz drummer
- Castellucci, Erio (* 1960), Italian clergyman, Roman Catholic Archbishop of Modena-Nonantola
- Castellucci, Lars (* 1974), German politician (SPD), Member of the Bundestag
- Castellucci, Romeo (* 1960), Italian director
- Castellucci, Teddy (* 1965), American film composer
- Castelluccio, Federico (* 1964), Italian-American actor
- Castellví i de Vic, Francesc de († 1506), Valencian poet, minister and royal administrator
- Castelmur, Giovanni von (1800–1871), baron from Bergell
- Castelmur, Linus von (* 1957), Swiss historian and diplomat
- Castelnau, Henri-Pierre-Abdon (1814–1890), French general, adjutant general of Napoleon III.
- Castelnau, Noël de (1851–1944), French general in the First World War
- Castelnau-Bochetel, Jacques de (1620–1658), Marshal of France
- Castelnoble, Ángel , Uruguayan football coach
- Castelnuovo, Elías (1893–1982), Argentine journalist and writer
- Castelnuovo, Emma (1913–2014), Italian math teacher
- Castelnuovo, Guido (1865–1952), Italian mathematician
- Castelnuovo, Nino (* 1936), Italian actor
- Castelnuovo-Tedesco, Mario (1895–1968), Italian composer and pianist
- Castelo Branco, Camilo (1825–1890), Portuguese writer, novelist, critic, poet and translator
- Castelo Branco, Francisco Gil (1886–1956), Brazilian Marshal
- Castelo Branco, Humberto (1897–1967), President of Brazil (1964–1967)
- Castelo, Virgílio (* 1953), Portuguese actor
- Castelot, André (1911-2004), French historian
- Castelucho, Claudio (1870–1927), Spanish painter and sculptor
- Castelvecchi, Gladys (1922–2008), Uruguayan writer
- Castelvetro, Lodovico († 1571), Italian humanist
- Casten, Johann (1716–1787), German sexton and pietist
- Casten, Richard F. (* 1941), American physicist
- Casten, Sean (* 1971), American politician
- Castendyck, Wilhelm (1824–1895), German mining engineer
- Castendyk, Bruno (1771–1814), lawyer and senator from Bremen
- Castendyk, Gerhard (1769–1801), lawyer and senator from Bremen
- Castendyk, Johann Heinrich (1795–1833), German lawyer, Bremerhaven bailiff
- Castenholz, Aloys (1885–1947), German district administrator of the Wittlich district (1942–1947) and district president in Koblenz (1945)
- Castenmiller, Joop (1937–2015), Dutch soccer player, coach and official
- Castenschiold, Thora (1882–1979), Danish tennis player
- Caster, Cynthia Plaster (* 1947), American groupie of various stars
- Caster, Kenneth E. (1908-1992), American paleontologist
- Caster, Reylynn (* 2003), American film and television actress
- Castérède, Jacques (1926–2014), French composer
- Casteret, Norbert (1897–1987), French speleologist
- Castermans, Alphonsus (1924–2008), Dutch clergyman, Roman Catholic auxiliary bishop in the Diocese of Roermond
- Castet, Alain (* 1950), French clergyman, emeritus Roman Catholic Bishop of Luçon
- Castets, Corinne (* 1965), French squash player
- Casteu, David (* 1974), French enduro rider
- Castex, Françoise (* 1956), French politician, MEP
- Castex, Jean (* 1965), French politician
- Castex, Jean-Jacques (1731–1822), French sculptor
- Castex, Pierre-Georges (1915–1995), French Romance scholar and literary historian
- Castex, Raoul (1878–1968), French admiral and military theorist
Casti
- Casti, Giambattista (1724–1803), Italian poet and satirist
- Casti, John L. (* 1943), American mathematician
- Castiblanco, Jorge (* 1988), Colombian racing cyclist
- Casticus , nobleman among the Sequani in Eastern Gaul
- Castiella Maíz, Fernando María de (1907–1976), Spanish diplomat and politician
- Castielli, Raffaele (1927–2018), Italian clergyman, Roman Catholic bishop of Lucera-Troia
- Castiglia, Luca (* 1989), Italian soccer player
- Castigliano, Carlo Alberto (1847–1884), Italian builder, engineer and scientist
- Castigliano, Eusebio (1921–1949), Italian football player
- Castiglione, Baldassare (1478–1529), courtier, diplomat and writer
- Castiglione, Branda († 1443), Italian humanist, cardinal and papal legate
- Castiglione, Giovanni (1742–1815), Italian clergyman, bishop of Osimo and cardinal
- Castiglione, Giovanni Benedetto , Italian painter and etcher
- Castiglione, Giuseppe (1688–1766), Italian Jesuit missionary and painter in China
- Castiglioni, Achille (1918–2002), Italian industrial designer
- Castiglioni, Alfredo (1937-2016), Italian documentary filmmaker and author
- Castiglioni, Andreas (* 1980), Italian natural track tobogganist
- Castiglioni, Angelo (* 1937), Italian documentary filmmaker and author
- Castiglioni, Arturo (1874–1953), Italian physician and medical historian
- Castiglioni, Camillo (1879–1957), pioneer of Austrian aviation
- Castiglioni, Consuelo (* 1959), Italian fashion designer
- Castiglioni, Ettore (1908–1944), Italian climber
- Castiglioni, Giannino (1884–1971), Italian artist and sculptor
- Castiglioni, Luigi (1757–1832), Italian nobleman and explorer
- Castiglioni, Luigi (1882–1965), Italian classical philologist (Latinist)
- Castiglioni, Niccolò (1932–1996), Italian composer
- Castiglioni, Paolo (1874–1943), Italian clergyman and Roman Catholic auxiliary bishop in Milan
- Castiglioni, Pier Giacomo (1913–1968), Italian industrial designer
- Castile, Christopher (* 1980), American actor
- Castilho Brandão, Antônio Manoel de (1849–1910), Brazilian clergyman, Roman Catholic bishop of Alagoas
- Castilho, Carlos José (1927–1987), Brazilian football goalkeeper
- Castilho, João de , Portuguese architect
- Castilho, Paulo (* 1944), Portuguese diplomat and writer
- Castilla Chaplin, Oona (* 1986), Spanish actress, flamenco dancer and ballerina
- Castilla, Gabriel de (1577–1620), Spanish navigator
- Castilla, Javier (* 1981), Colombian squash player
- Castilla, Manuel (1918–1980), Argentine librarian, journalist, and writer
- Castilla, Ramón (1797–1867), President of Peru
- Castilla-Ávila, Agustín (* 1974), Spanish composer
- Castillejo, Javier (* 1968), Spanish boxer
- Castillejo, José (1877–1945), Spanish educator
- Castillejo, Samu (* 1995), Spanish soccer player
- Castilletti, Concetta (* 1963), Italian biologist
- Castillion, Geoffrey (* 1991), Dutch football player
- Castillo Armas, Carlos (1914–1957), Gualtemalk politician, President of Guatemala
- Castillo Barrera, Alejandro (1951–2010), Uruguayan surfer and sports official
- Castillo Bustamante, Guillermo (1910–1974), Venezuelan composer and pianist
- Castillo Cervantes, Alfredo , Mexican lawyer
- Castillo Crespo, Gonzalo de Jesús María del (1936–2019), Bolivian religious and Roman Catholic military bishop of Bolivia
- Castillo Deball, Mariana (* 1975), Mexican artist
- Castillo Estrada, Luis del (* 1931), Uruguayan clergyman, former bishop of Melo
- Castillo Gálvez, Jorge del (* 1950), Peruvian lawyer and politician
- Castillo i Buïls, David (* 1961), Catalan writer, literary critic and journalist
- Castillo Lara, Rosalio José (1922–2007), Venezuelan religious, cardinal of the Roman Catholic Church
- Castillo Ledón, Amalia González Caballero de (1898–1986), Mexican author, politician and diplomat
- Castillo Mattasoglio, Carlos (* 1950), Peruvian clergyman, Roman Catholic Archbishop of Lima
- Castillo Méndez, Luis Fernando (1922–2009), Brazilian clergyman, Patriarch of the Catholic Apostolic Church of Brazil
- Castillo Morales, Rodolfo († 2011), Argentine rehabilitation doctor and therapist
- Castillo Nájera, Francisco (1886–1950), Mexican diplomat
- Castillo Nicolau, José del (1920–2002), Spanish neurobiologist and neurophysiologist
- Castillo Pino, Eduardo José (* 1970), Ecuadorian clergyman, Roman Catholic Archbishop of Portoviejo
- Castillo Plascencia, Benjamín (* 1945), Mexican clergyman, Bishop of Celaya
- Castillo Rentería, José de Jesús (1927–2013), Mexican religious, Roman Catholic bishop of Tuxtepec
- Castillo Solórzano, Alonso de , Spanish writer and playwright
- Castillo Vera, Pilar del (* 1952), Spanish politician (PP), MEP
- Castillo y Guevara, Francisca Josefa del (1671–1742), Spanish nun and mystic
- Castillo y Guzmán, Juan Argüello del (1778–1830), head of state of Nicaragua
- Castillo y Guzmán, Nicasio del , Nicaraguan politician and President of Nicaragua
- Castillo y Saavedra, Antonio del (1616–1668), Spanish painter and baroque sculptor
- Castillo, Abelardo (1935–2017), Argentine journalist and writer
- Castillo, Agustín del (1565–1626), Spanish painter
- Castillo, Alberto (1914–2002), Argentine tango singer and actor
- Castillo, Ana (* 1953), American feminist, writer
- Castillo, Antonio (1908–1984), Spanish fashion designer and costume designer
- Castillo, Beatriz (* 1954), Cuban sprinter
- Castillo, Braulio (1933-2015), Puerto Rican actor
- Castillo, Brenda (* 1992), Dominican national volleyball player
- Castillo, Carmen (* 1945), Chilean-French documentary filmmaker and screenwriter
- Castillo, Chucho (1944-2013), Mexican boxer (bantamweight)
- Castillo, David del († 1937), Spanish guitarist, composer and music teacher
- Castillo, Edgar (* 1986), Mexican-American soccer player
- Castillo, Ernesto (* 1970), German-speaking writer
- Castillo, Fabián (* 1992), Colombian football player
- Castillo, Fernando (1943–1997), Chilean Roman Catholic theologian and sociologist
- Castillo, Fernando Sánchez (* 1970), Spanish painter
- Castillo, Freddy (* 1955), Mexican fly and light flyweight boxer
- Castillo, Gloria (1933–1978), American actress
- Castillo, Gonzalo (* 1990), Uruguayan football player
- Castillo, Homero (1918–1980), American Romanist and Hispanic of Chilean descent
- Castillo, Hugo Norberto (* 1971), Argentinian football player
- Castillo, Irán (* 1977), Mexican actress and singer
- Castillo, Isabella (* 1994), Cuban actress and singer
- Castillo, Israel (born 1968), Mexican soccer player
- Castillo, Jesús (1877–1946), Guatemalan composer
- Castillo, Jocelyn (* 1991), Venezuelan water diver
- Castillo, Joey (born 1966), American drummer
- Castillo, Jorge (* 1933), Spanish painter and graphic artist
- Castillo, José (1921–2011), Spanish actor, playwright and theater director
- Castillo, José Alfredo (* 1983), Bolivian football player
- Castillo, José Ignacio (* 1975), Argentinian football player
- Castillo, José Luis (* 1973), Mexican boxer
- Castillo, Juan de Dios (1951-2014), Mexican soccer player and coach
- Castillo, Juan del (1584-1640) Spanish painter
- Castillo, Juan Guillermo (* 1978), Uruguayan football player
- Castillo, Julio (* 1988), Ecuadorian heavyweight boxer
- Castillo, Karol (1989–2013), Peruvian beauty queen and model
- Castillo, Kate del (born 1972), Mexican actress
- Castillo, León de (* 1985), Austro-Mexican tenor, conceptual artist, music researcher and artistic director
- Castillo, Linda (* 1960), American writer
- Castillo, Luis (* 1975), Dominican baseball player
- Castillo, Mariano Armendáriz del (1881–1960), Mexican ambassador
- Castillo, Marlon (* 1988), Belizean road cyclist
- Castillo, Martín (* 1977), Mexican boxer
- Castillo, Michel del (* 1933), French writer of Spanish origin
- Castillo, Miguel Ángel , Salvadoran politician, President of El Salvador
- Castillo, Nery (* 1984), Mexican soccer player
- Castillo, Nicolás (* 1993), Chilean football player
- Castillo, Otto René (1934–1967), Guatemalan poet, literary scholar and guerrilla fighter
- Castillo, Ramón (1873–1944), Argentine politician, President of Argentina
- Castillo, Ramón del (* 1985), Spanish singer
- Castillo, Randy (1950-2002), American drummer
- Castillo, Raúl (* 1977), American theater and film actor
- Castillo, Ricardo (1894–1966), Guatemalan composer
- Castillo, Rodrigo , Guatemalan road cyclist
- Castillo, Segundo (* 1982), Ecuadorian soccer player
- Castillo, Tony (1946–2010), Singaporean child actor, later jazz trumpeter, band leader and music official
- Castillo, Víctor (* 1981), Venezuelan long jumper
- Castillo, Welington (* 1987), Dominican baseball player
- Castillo, Xabier (* 1986), Spanish soccer player
- Castillo, Yahel (* 1987), Mexican diver
- Castillo, Yalennis (* 1986), Cuban judoka
- Castillon, Alexis de (1838–1873), French composer
- Castillon, Claire (* 1975), French writer
- Castillon, Frédéric de (1747–1814), writer and translator, German university teacher of philosophy
- Castillon, Johann (1708–1791), mathematician, philosopher and university professor
- Castinus († 237), Bishop of Byzantium
Castl
- Castle, Andrew (born 1963), British tennis player
- Castle, Barbara, Baroness Castle of Blackburn (1910–2002), British politician, Member of the House of Lords (Labor Party), MEP
- Castle, Billy Joe (* 1992), English snooker player
- Castle, Curtis H. (1848–1928), American politician
- Castle, Darrell (* 1948), American lawyer and politician
- Castle, Edmund (1606–1685), English orientalist
- Castle, Eduard (1875–1959), Austrian literary historian and theater scholar
- Castle, Edward, Baron Castle (1907–1979) British journalist and politician
- Castle, Frederick Walker (1908–1944), American brigadier general and Medal of Honor holder
- Castle, Geoff (1949-2020), British pianist, synthesizer player and composer of fusion jazz
- Castle, James (1836–1903), American politician
- Castle, James Charles (1899–1977), American artist
- Castle, Jeffery Lloyd (1898–1990) British science fiction writer
- Castle, John (born 1940), British actor
- Castle, Latham (1900–1986), American lawyer and politician
- Castle, Lee (1915–1990), American jazz trumpeter and swing band leader
- Castle, Louis , American computer game developer
- Castle, Maggie (born 1983), Canadian actress
- Castle, Michael (* 1939), American politician
- Castle, Nick (born 1947), American actor, screenwriter and director
- Castle, Peggie (1927–1973), American actress
- Castle, Sarah (* 1984), American wheelchair basketball player
- Castle, Sid (1892–1978), English football player and coach
- Castle, Terrel (* 1972), American-Bosnian-Herzegovinian basketball player
- Castle, Wendell (1932–2018), American furniture artist and artisan
- Castle, William (1914–1977), American film director, producer and actor
- Castle, William Ernest (1867–1962), American geneticist
- Castle-Hughes, Keisha (* 1990), New Zealand actress
- Castleman, A. Welford (1936-2017), American chemist
- Castleman, Frank (1877–1946), American hurdler and sprinter
- Castles, Neil (* 1934), American racing car driver
- Castlin, Kristi (* 1988), American hurdler
Castn
- Castner, Adalbert (1832–1907), German art casting entrepreneur
- Castner, Daniela (* 1948), German psychologist and author
- Castner, Elvira (1844–1923), German teacher, dentist and women's rights activist
- Castner, Hamilton (1858–1899), American chemical industrialist
- Castner, Sigmund Hieronymus (1835–1919), German lawyer and administrative officer
- Castner, Thilo (* 1953), German writer
Casto
- Casto, Ariel , Argentine pool player
- Castoldi, Emilio (* 1961), German actor, radio play and voice actor
- Castoldi, Jean-Jacques (1804–1871), Swiss politician and judge
- Caston, Rodney (* 1977), American comic author
- Castonier, Elisabeth (1894–1975), German writer
- Castor of Apt , saint of the Catholic Church
- Castor von Karden , saint of the Catholic Church
- Castor, George A. (1855-1906), American politician
- Castor, Jimmy (1940–2012), American R&B and radio musician
- Castor, Kathy (* 1966), American politician
- Castor, Rainer (1961–2015), German science fiction author
- Castorf, Frank (* 1951), German director and director of the Volksbühne Berlin
- Castori, Fabrizio (* 1954), Italian football coach
- Castoriadis, Cornelius (1922–1997), Greco-French psychoanalyst, lawyer and resistance fighter
- Castorina, Vito (1910–1965), Italian composer, conductor and music teacher
- Castorius , Roman lawyer
- Castoro, Michele (1952–2018), Italian clergyman, Roman Catholic Archbishop of Manfredonia-Vieste-San Giovanni Rotondo
- Castorp, Heinrich († 1512), German merchant, councilor and mayor of the Hanseatic city of Lübeck
- Castorp, Hinrich († 1537), councilor of the Hanseatic city of Lübeck
- Castorp, Hinrich (1419–1488), businessman and mayor of the Hanseatic city of Lübeck
Castr
- Castracane degli Antelminelli, Castruccio (1779–1852), Italian clergyman and cardinal of the Roman Church
- Castracane degli Antelminelli, Filippo (1851–1899), Italian clergyman, Curia Archbishop of the Roman Catholic Church
- Castracani, Castruccio (1281–1328), Duke of Lucca
- Castrale, Costanzo (1850–1936), Italian clergyman and Roman Catholic auxiliary bishop in Turin
- Castrée, Geneviève (1981–2016), Canadian comic artist, illustrator and musician
- Castrejana, Carlota (* 1973), Spanish triple jumper and basketball player
- Castrejón, Francisco (* 1946), Mexican soccer goalkeeper and goalkeeping coach
- Castrellón Pizano, Camilo Fernando (* 1942), Colombian religious and Roman Catholic bishop of Barrancabermeja
- Castrén, Arthur (1866–1946), Finnish politician, member of the Reichstag and Minister
- Castrén, Kaarlo (1860–1938), Finnish politician
- Castrén, Matthias Alexander (1813–1852), Finnish philologist
- Castrén, Urho (1886–1965), Finnish politician
- Castres, Edouard (1838–1902), Swiss painter
- Castresana, Ángel (* 1972), Spanish cyclist
- Castriani, Sérgio Eduardo (* 1954), Brazilian religious and emeritus Roman Catholic Archbishop of Manaus
- Castricianus , Bishop of Milan, saint
- Castricius Firmus , ancient Roman philosopher
- Castricius Manilianus, Quintus , Roman officer (imperial era)
- Castricum, Frits (1947–2011), Dutch politician (PvdA), MEP
- Castries, Christian Marie de (1902–1991), comes from an old French aristocratic family
- Castries, Henri de (* 1954), French manager, CEO of AXA
- Castries, René de (1908–1986), French historian
- Castrillo, Roberto (* 1941), Cuban marksman
- Castrillón Hoyos, Darío (1929–2018), Colombian Cardinal Curia
- Castrillón, Jaime (* 1983), Colombian football player
- Castrillón, Manuel Fernández († 1836), Mexican general
- Castrischer, Stefan (* 1992), Swiss floorball player in the position of defender
- Castritius, Helmut (1941–2019), German ancient historian
- Castro Aguayo, Fernando José (* 1951), Venezuelan clergyman, Roman Catholic bishop of Margarita
- Castro Argiz, Ángel (1875–1956), father of Fidel, Raúl and Ramón Castro
- Castro Arrasco, Dante (* 1959), Peruvian writer
- Castro Bergara, Mario (1931–2011), Uruguayan musician and poet
- Castro Canto e Melo, Domitília de (1797–1867), Brazilian duchess
- Castro Castro, Ramón (* 1956), Mexican priest, Bishop of Cuernavaca
- Castro Díaz-Balart, Fidel (1949–2018), Cuban nuclear physicist
- Castro e Almeida, Eugénio de (1869–1944), Portuguese scholar, poet, epic poet, playwright and translator
- Castro Echevería, Rodrigo (* 1937), Costa Rican diplomat
- Castro Espín, Alejandro (* 1965), Cuban politician and military
- Castro Fernández, Alejandro (* 1979), Spanish soccer player
- Castro Flores, Alejandro (* 1987), Mexican soccer player
- Castro Galang, Jesus (1932-2004), Filipino clergyman, Catholic bishop
- Castro González, José Antonio (* 1980), Mexican soccer player
- Castro Herrera, Ricardo (1864–1907), Mexican composer and pianist
- Castro Homem, Edson de (* 1949), Brazilian clergyman and Roman Catholic bishop of Iguatu
- Castro Jijón, Ramón (1915–1984), Ecuadorian rear admiral and chairman of the military junta
- Castro Jiménez, Héctor Eduardo (* 1976), Mexican soccer player
- Castro Lalupú, Francisco (* 1973), Peruvian Roman Catholic clergyman, auxiliary bishop in Trujillo
- Castro Leal, Antonio (1896–1981), Mexican lawyer and literary scholar, diplomat and rector of the Universidad Autónoma de México
- Castro Madriz, José María (1818-1892), President of Costa Rica
- Castro Marques, Iziane (* 1982), Brazilian basketball player
- Castro Marte, Jesús (* 1966), Dominican clergyman, Roman Catholic bishop of Nuestra Señora de la Altagracia en Higüey
- Castro Medellín, José Luis (1938–2020), Mexican religious, Roman Catholic bishop of Tacámbaro
- Castro Monteiro, Ananias Eloi (1989-2016), Brazilian soccer player
- Castro Pereira, Luiz de (1768–1822), Portuguese religious, prelate of Cuiabá
- Castro Pereira, Rodrigo de (1887–1983), Portuguese tennis player
- Castro Pinto, Ricardo (1916–2011), Peruvian musician, composer, actor, dancer and song collector
- Castro Quiroga, Luis Augusto (* 1942), Colombian religious, emeritus Roman Catholic Archbishop of Tunja
- Castro Reynoso, Francisco de Paula (* 1968), Mexican ambassador
- Castro Ruiz, Manuel (1918–2008), Mexican clergyman, Roman Catholic Archbishop of Yucatán, Mexico
- Castro Ruz, Ramón (1924–2016), Cuban farmer and agricultural politician; older brother of Fidel and Raúl Castro
- Castro Spikula, Sergio de (* 1930), Chilean economist and politician
- Castro Valle, Alfonso (1914–1989), Mexican Ambassador
- Castro Varela, María do Mar (* 1964), Spanish educational and political scientist and professor
- Castro Xavier Monteiro, António de (1919-2000), Portuguese clergyman and Bishop of Lamego (1972-1995)
- Castro y Bravo, Federico de (1903–1983), Spanish lawyer and judge at the International Court of Justice
- Castro y Casaléiz, Antonio de (1856–1918), Spanish diplomat
- Castro y Figueroa, Pedro de (1678–1741), Viceroy of New Spain
- Castro, Adam-Troy (* 1960), American horror and science fiction author
- Castro, Afonso de (1824–1885), Portuguese governor of Portuguese Timor
- Castro, Alberto Osório de (1868–1946), Portuguese poet, journalist and lawyer
- Castro, Alexis (* 1980), Colombian racing cyclist
- Castro, Alfonso de (1495–1558), theologian-jurist of the Spanish Late Scholasticism or School of Salamanca
- Castro, Álvaro (* 1950), Brazilian writer
- Castro, Álvaro de (1878–1928), Portuguese military and politician from the time of the First Republic
- Castro, Álvaro Fiúza de , Brazilian Major General
- Castro, Américo (1885–1972), Spanish literary historian, scholar, critic, university professor and diplomat
- Castro, André (* 1988), Portuguese soccer player
- Castro, António de (1707–1743), Portuguese Roman Catholic Bishop of Malacca
- Castro, Ariel (1960-2013), American kidnapper and rapist
- Castro, Arles (* 1979), Colombian track and road cyclist
- Castro, Benedictus de († 1684), doctor, author and community leader
- Castro, Camilla de (1979-2005), Brazilian transsexual porn actress and model
- Castro, Carlos , Nicaraguan pool player
- Castro, Carlos (1945–2011), Portuguese journalist, writer, and gay rights activist
- Castro, César (* 1982), Brazilian water diver
- Castro, Chory (* 1984), Uruguayan soccer player
- Castro, Cipriano (1859–1924), President of Venezuela
- Castro, Cláudio (* 1979), Brazilian politician of the right-wing and evangelical fundamentalist Partido Social Cristão
- Castro, Diego (* 1961), Chilean football player
- Castro, Diego (* 1972), German-Spanish conceptual and performance artist
- Castro, Diego (* 1982), Spanish soccer player
- Castro, Dionísio (* 1963), Portuguese long-distance runner
- Castro, Domingos (* 1963), Portuguese athlete
- Castro, Eduardo (* 1954), Mexican medium and long-distance runner
- Castro, Emiliano (* 1990), Uruguayan football player
- Castro, Emilio (1927–2013), Uruguayan Methodist theologian
- Castro, Emmanuelle , French film editor
- Castro, Estrellita (1908–1983) Spanish singer and actress
- Castro, Evanivaldo (* 1948), Brazilian soccer player
- Castro, Facundo (* 1995), Uruguayan soccer player
- Castro, Fidel († 2016), Cuban President
- Castro, Francisco José de , Italian Baroque composer of Spanish origin
- Castro, Gabriel Pereira de (1571–1632), Portuguese lawyer, clergyman and writer
- Castro, Gail (* 1957), American volleyball and beach volleyball player
- Castro, Glaiza de (* 1988), Filipino actress and singer
- Castro, Gloria , Colombian ballet dancer and teacher
- Castro, Gonzalo (* 1987), German-Spanish soccer player
- Castro, Guillén de (1569–1631), Spanish playwright
- Castro, Héctor (1904–1960), Uruguayan soccer player and soccer coach
- Castro, Hedme (* 1959), Honduran human rights defender
- Castro, Herbert de (1905–1969), Panamanian composer and conductor
- Castro, Inês de († 1355), Castilian nobleman
- Castro, Inés de (* 1968), Argentine-German archaeologist, ethnologist and museum director
- Castro, Isaak Orobio de († 1687), doctor, philosopher and writer
- Castro, Isabel de (1931–2005), Portuguese actress
- Castro, Israel (born 1980), Mexican soccer player
- Castro, Jean de , Franco-Flemish composer and conductor of the Renaissance
- Castro, João de (1500–1548), Portuguese general and navigator. IV. Vice-King of Portuguese India
- Castro, Joaquín (* 1974), American politician
- Castro, Joe (1927–2009), American jazz pianist and band leader
- Castro, Jorge Fernando (* 1967), Argentine boxer
- Castro, José (1808–1860), Mexican governor
- Castro, José Barbosa de (1858–1920), Portuguese lawyer
- Castro, José de (1868–1929), Portuguese journalist and politician
- Castro, José Luciano de (1834–1914), Portuguese politician
- Castro, José María (1892–1964), Argentine composer and cellist
- Castro, José Maria Ferreira de (1898–1974), Portuguese writer and journalist
- Castro, Josué de (1908–1973), Brazilian doctor, writer and fighter against hunger
- Castro, Juan de (1431–1506), Italian cardinal of the Roman Church
- Castro, Juan José (1895–1968), Argentine conductor and composer
- Castro, Juanita (* 1933), Cuban American author, former CIA agent, sister of Fidel and Raúl Castro
- Castro, Julián (* 1974), American politician
- Castro, Julio César (1928–2003), Uruguayan comedian and storyteller
- Castro, Lenny (* 1950), American percussionist and session musician
- Castro, Léon , lawyer and politician in Egypt
- Castro, León Cortés (1882–1946), Costa Rican politician
- Castro, Lucas (* 1989), Argentinian soccer player
- Castro, Lúcio de (1910-2004), Brazilian pole vaulter and javelin thrower
- Castro, Luis (1921-2002), Uruguayan football player
- Castro, Luís (* 1961), Portuguese soccer player and soccer coach
- Castro, Manolo , Cuban jazz saxophonist
- Castro, Manuel (* 1995), Uruguayan soccer player
- Castro, Manuel Leonís de , Portuguese Governor of Portuguese Timor
- Castro, Marcel Trocoli (* 1982), German journalist and documentary filmmaker
- Castro, Margaret (* 1959), American judoka
- Castro, Mariela (* 1962), Cuban educator, director of the National Center for Sexual Education in Cuba
- Castro, Mary Garcia , Brazilian sociologist
- Castro, Matías (* 1991), Argentine soccer player
- Castro, Melchor Cob (* 1968), Mexican light flyweight boxer
- Castro, Miguel (* 1969), American computer scientist
- Castro, Nei Leandro de (* 1940), Brazilian writer
- Castro, Nicole (* 1984), Australian-French basketball player
- Castro, Niklas (* 1996), Norwegian-Chilean football player
- Castro, Noli de (* 1949), Filipino politician, radio and television presenter
- Castro, Óscar Padula (* 1993), Uruguayan football player
- Castro, Osvaldo (* 1947), Chilean football player
- Castro, Pablo , Uruguayan soccer player
- Castro, Pacifico (1932-2001), Filipino diplomat
- Castro, Paul de (1882–1940), French post-impressionist painter
- Castro, Paulus de († 1441), Italian legal scholar
- Castro, Pilar (* 1970), Spanish actress
- Castro, Raquel (* 1994), American actress
- Castro, Raúl , Uruguayan swimmer and water polo player
- Castro, Raúl (* 1931), Cuban politician and head of state, former revolutionary
- Castro, Raul Hector (1916–2015), American politician and diplomat
- Castro, Ricardo (* 1964), Brazilian concert pianist and teacher at the Lausanne Music Academy
- Castro, Roberto , Argentine pianist and music teacher
- Castro, Rodrigo de († 1627), Portuguese physician and author
- Castro, Rosalía de (1837–1885), Spanish writer and poet
- Castro, Rubén (* 1981), Spanish soccer player
- Castro, Ruy (* 1948), Brazilian journalist and author
- Castro, Saleta (* 1987), Spanish triathlete
- Castro, Sebastian (* 1972), German author, activist and artist
- Castro, Sergio de (1922–2012), Argentine-French painter
- Castro, Sheilla (* 1983), Brazilian volleyball player
- Castro, Starlin (born 1990), Dominican baseball player
- Castro, Tommy (* 1955), American musician, rock and blues guitarist
- Castro, Tonita († 2016), American news anchor and actress of Mexican origin
- Castro, Verónica (* 1952), Mexican actress, singer and presenter
- Castro, Washington (1909–2004), Argentine composer, conductor and cellist
- Castro, William (* 1962), Uruguayan football player
- Castro, Yeda Pessoa de , Brazilian ethnolinguist
- Castro, Zanoni Demettino (* 1962), Brazilian clergyman, Roman Catholic Archbishop of Feira de Santana
- Castro, Zé (* 1983), Portuguese football player
- Castro-Montes, Alessio (* 1997), Belgian football player
- Castro-Neves, Oscar (1940-2013), Brazilian musician
- Castro-Tello, Sebastian (* 1987), Swedish football player
- Castro-Valle Kuehne, Jorge (* 1953), Mexican ambassador
- Castronari, Gisela (* 1955), German film editor
- Castronari, Mario (* 1954), British bass player
- Castroneves, Hélio (* 1975), Brazilian automobile racing driver
- Castronovo, Charles (* 1975), American opera singer (tenor)
- Castronovo, Raúl (* 1949), Argentinian football player
- Castronuovo, Ferruccio (* 1940), Italian cameraman and television director
- Castroviejo, Jonathan (* 1987), Spanish road cyclist
- Castroviejo-Fisher, Santiago (* 1979), Spanish biologist and herpetologist
- Castrovilli, Gaetano (* 1997), Italian football player
- Castrucci, Giovanni Battista (1541–1595), Italian cardinal
- Castrucci, Pietro (1679–1752), Italian violinist and composer
Castu
- Castulus Riedl (1701–1783), German engineering geographer, geodesist, cartographer, hydraulic engineering and road planner
Casty
- Casty, Elfie († 2014), Swiss author of cookbooks
- Casty, Gian (1914–1979), Swiss painter, illustrator and glass painter