Otto Koehler
Otto Köhler or Otto Koehler is the name of the following people:
- Otto Köhler (technician) , German technician, university professor and critic of Rudolf Diesel
- Otto Koehler (behavioral scientist) (1889–1974), German zoologist and ethologist
- Otto Köhler (politician) (1897–1960), German politician (DVP, NSDAP, FDP)
- Otto Köhler (singer) (1903–1976), German singer (baritone) and singing teacher
- Otto Koehler , real name of Theo Balden (1904–1995), German painter
- Otto Köhler (journalist) (* 1935), German journalist