Ernst Dehner
German General and Knight's Cross recipients (1889-1970)
- Born: 1889-03-05 (Hersbruck)
- Died: 1970-09-13 (Königstein im Taunus)
- Country of citizenship: Germany
- Occupation: military personnel
- Participant in: Hostages Trial (role: defendant)
- Significant person: Hans Gawlik (role: defense attorney)
- Military rank: General of the Infantry (since: 1942-12-01)
- Military branch: Bundeswehr (military rank: commanding officer; military unit: Führerreserve; since: 1943-07-01, 1944-04-01; work location: France); Wehrmacht (military rank: commanding officer, major general; military unit: 87th Infantry Division (Wehrmacht), LXIX Army Corps (Wehrmacht), LXXXII Army Corps (Wehrmacht); period: 1939-09-01 through 1944-03-01; work location: Croatia, Northern France); infantry