Otto Berg
Otto Berg is the name of the following people:
- Otto von Berg (around 1356 – around 1414), Czech burgrave, see Otto the Elder von Bergow
- Otto Berg (church painter) (1861–1944), German church painter
- Otto Berg (chemist) (1873–1939), German chemist
- Otto Berg (athlete) (1906–1991), Norwegian long jumper
- Otto Forst-Berg , pseudonym of Jimmy Berg (1909–1988), Austrian-American musician, composer and journalist
- Otto Karl Berg (1815–1866), German botanist and university professor