Otto Braun (disambiguation)
Otto Braun is the name of the following people:
- Otto Braun (journalist) (1824–1900), German journalist
- Otto Braun (Oberamtmann) (1852–1906), Baden Oberamtmann
- Otto Braun (1872–1955), German politician (SPD)
- Otto Braun (politician, 1882) (1882–1969), German politician, district administrator and mayor in Angerburg
- Otto Braun (philosopher) (1885–1922), German philosopher and educator
- Otto Braun (lyric poet) (1897-1918), German writer
- Otto Braun (writer) (1900–1974), German writer and party official (KPD)
- Otto Braun (politician, 1904) (1904–1986), German entrepreneur and politician (FDP)
- Otto Braun-Falco (1922–2018), German dermatologist
- Otto Philipp Braun (1798–1869), Bolivian politician
- Otto Rudolf Braun (1931–2016), Austrian author
and the name of a ship:
- Otto Braun (ex M 129 ), test boat of the Kriegsmarine