Otto Fischer
Otto Fischer is the name of the following people:
- Otto Fischer (medic, 1810) (1810–1885), German surgeon
- Otto Fischer (chemist) (1852–1932), German chemist
- Otto Fischer (lawyer) (1853–1929), German lawyer
- Otto Fischer (biophysicist) (1861–1916), German physiologist and mathematician
- Otto Fischer (artist, 1870) (1870–1947), German painter, draftsman and graphic artist
- Otto Fischer (writer) (1872–1915), German writer and publisher
- Otto Fischer (entrepreneur) (1879–1930), Swiss entrepreneur and company founder
- Otto Fischer (art historian) (1886–1948), German art historian
- Otto Fischer (medic, 1894) (1894 – after 1973), German tropical doctor, university professor and "racial biologist"
- Otto Fischer (building officer) (1900–1959), German hydraulic engineer and construction officer
- Otto Fischer (soccer player) (1901–1941), Austrian soccer player
- Otto Fischer (politician, 1901) (1901–1981), Austrian politician (KPÖ), member of the Styrian state parliament
- Otto Fischer (communist) (1906–1974), German communist and resistance fighter, member of the "Ulbricht Group"
- Otto Fischer (politician, 1915) (1915–1993), Swiss politician (FDP)
- Otto Fischer (artist, 1963) (* 1963), German sculptor
- Otto Fischer-Lamberg (1886–1963), Baltic German painter and university professor
- Otto Fischer-Trachau (1878–1958), German painter, draftsman, glass painter and interior designer
- Otto Christian Fischer (1882–1953), German banker
- Otto Wilhelm Fischer , known as OW Fischer (1915-2004), Austrian actor
