In military terms, 65th Division may refer to:
- Infantry Divisions
- 65th Infantry Division (Russian Empire)
- 65th Infantry Division (United States)
- 65th Infantry Division (Wehrmacht)
- 65th Infantry Division Granatieri di Savoia of the Italian Army in the Second World War
- 65th Division (Imperial Japanese Army)
- 65th (2nd Lowland) Division of the British Army in the First World War
- 65th Infantry Division (United States)
- 65th Infantry Division (Wehrmacht)
- Cavalry Divisions
- Aviation Divisions