Siemens (disambiguation)
Siemens stands for:
- Siemens (unit) , unit of measurement for the electrical conductance or reciprocal value of electrical resistance
 
Siemens denotes u. a. the following companies:
- Siemens AG, a major German corporation
 - Telegraph construction company by Siemens & Halske, forerunner of Siemens AG, see Siemens
 - Siemens Energy AG, manufacturer of systems and components in the field of energy supply, spun off from Siemens AG
 - Siemens Healthineers AG, manufacturer of electromedical products, spun off from Siemens AG
 - Siemens Mobility GmbH, manufacturer of railway and road traffic technology, spun off from Siemens AG
 - Siemens-Schuckertwerke , former German electrical engineering company, merged into Siemens AG
 - Siemens-Reiniger-Werke , a former manufacturer of electro-medical products, merged into Siemens AG
 - Friedrich Siemens industrial furnace construction , company
 
Siemens is the family name of the following people:
- Adolf Siemens (1811–1887), German artilleryman and military engineer
 - Anja Siemens (* 1972), German film editor
 - Anne Siemens (* 1974), German author
 - Arnold von Siemens (1853–1918), German industrialist
 - Carl Friedrich von Siemens (1872–1941), German industrialist
 - Carl Georg Siemens (1809–1885), German technologist and university professor
 - Carl Heinrich von Siemens (1829–1906), German industrialist
 - Carl Wilhelm Siemens (1823–1883), German-British industrialist
 - Christian Ferdinand Siemens (1787–1840), German land tenant
 - Daniel Siemens (* 1975), German historian and university professor
 - Detlev Müller-Siemens (* 1957), German composer and conductor
 - Duncan Siemens (* 1993), Canadian ice hockey player
 - Ernst von Siemens (1903–1990), German industrialist
 - Friedrich Siemens (1826–1904), German industrialist
 - Friedrich Carl Siemens (1877–1952), German entrepreneur
 - Fritz Siemens (1849–1935), German doctor
 - Georg Siemens (1882–1977), German engineer and writer
 - Georg von Siemens (1839–1901), German banker
 - Georg Wilhelm von Siemens (1855–1919), German industrialist
 - George Siemens , Canadian learning theorist
 - Günter Siemens (1901 – after 1970), German geophysicist
 - Gustav Karl Wilhelm Siemens (1806–1874), German lawyer and politician
 - Hans Siemens (1818–1867), German industrialist
 - Hayko Siemens (* 1954), German church musician
 - Heinrich Siemens (* 1964), German Germanist
 - Henning Siemens (* 1974), German handball player
 - Herman Siemens (* 1963), Italian-Canadian philosopher
 - Hermann von Siemens ( Hermann Werner von Siemens ; 1885–1986), German industrialist
 - Hermann Werner Siemens (1891–1969), German physician and university professor
 - Jacob Andresen Siemens (1794–1849), founder of the Heligoland seaside resort
 - Johann Georg Siemens (1804–1878), German legal advisor, lawyer and politician
 - Leopold Siemens (1889–1979), German vice admiral
 - Peter von Siemens (manager, 1911) (1911–1986), German industrialist and manager
 - Peter von Siemens (Manager, 1937) (* 1937), German industrialist and manager
 - Ursula Siemens (1920–2012), German politician (SPD), member of the Berlin House of Representatives
 - Werner von Siemens ( Ernst Werner Siemens ; 1816–1892), German industrialist and company founder
 - Werner Siemens (Rear Admiral) (1873–1964), German Rear Admiral
 - Werner Ferdinand von Siemens (1885–1937), German industrialist
 - Wilhelm Siemens (1823–1883), German-British inventor, engineer, natural scientist and industrialist, see Carl Wilhelm Siemens
 - Wilhelm von Siemens (1855–1919), German industrialist and landowner, see Georg Wilhelm von Siemens
 - Wilhelm Siemens (physician) (1897–1959), German surgeon
 - Wolfgang Siemens (1945–2016), German painter
 
See also:
- Berlin-Siemensstadt , district in the Spandau district, Berlin
 - Carl Friedrich von Siemens Stiftung , Foundation for the Advancement of Science, founded by Ernst von Siemens
 - Ernst von Siemens Music Foundation , founded by Ernst von Siemens
 - Ernst von Siemens Art Foundation , founded by Ernst von Siemens
 - Siemens (entrepreneurial family) , branch of the bourgeois city dynasty of the imperial city of Goslar
 - Siemens-Siedlung , housing estate in Obersendling, Munich
 - Siemens Stiftung , corporate foundation of Siemens AG
 - Siemens villa
 - Siemes
 - Siemsen