Otto H. Barnewald
German SS officer and concentration camps administrator (1896-1973)
- Born: 1896-01-10 (Leipzig)
- Died: 1973-03-14 (Rheinhausen)
- Country of citizenship: German Empire; Nazi Germany; West Germany
- Occupation: merchant
- Member of political party: Nazi Party (since: 1929-08-01)
- Member of: Schutzstaffel (series ordinal: 6469; since: 1931-02-01); Sturmabteilung
- Participant in: Nuremberg Medical Trial (role: affiant)
- Significant person: Erwin Ding-Schuler (date: 1943-01-01; role: colleague)
- Military rank: Hauptsturmführer (since: 1934-01-30); Obersturmbannführer (since: 1934-09-09); Sturmbannführer (since: 1942-04-20); Untersturmführer (since: 1934-03-21)
- Place of detention: War Crimes Enclosure, Dachau (date: 1947-02-01)
- VIAF ID: https://viaf.org/viaf/486144783101401815359
- Library of Congress authority ID: https://id.loc.gov/authorities/names/no2015137419