Oskar von Westernhagen
German military officer
- Born: 1893-01-01 (Brunswick)
- Died: 1961-01-01 (Munich)
- Country of citizenship: Germany
- Occupation: military officer
- Participant in: Judges' Trial (date: 1947-02-20; role: affiant)
- Significant person: Günter Nebelung (role: friend)
- Military rank: major
- VIAF ID: https://viaf.org/viaf/299734934
- ISNI: https://isni.org/isni/0000000403219200