Otto Bergmann
Otto Bergmann is the name of the following people:
- Otto Bergmann (writer) (1877– ??), German writer
- Otto Bergmann (resistance fighter, 1900) (1900–1961), German resistance fighter
- Otto Bergmann (physicist) (1925–2013), Austrian-American physicist and university professor
- Otto Hermann Bergmann (1886–1944), German resistance fighter