36th Regiment
- 36 Engineer Regiment (United Kingdom)
- 36 Signal Regiment (disambiguation)
- 36 Squadron (disambiguation)
- 36th (Herefordshire) Regiment of Foot
- 36th Brigade (disambiguation)
- 36th Division (disambiguation)
- 36th Illinois Volunteer Infantry Regiment
- 36th Indiana Infantry Regiment
- 36th Infantry Regiment (Poland)
- 36th Infantry Regiment (United States)
- 36th Jacob's Horse
- 36th New York Infantry
- 36th Ohio Infantry
- 36th Regiment Alabama Infantry
- 36th Sikhs
- 36th Special Aviation Regiment
- 36th Virginia Infantry
- 36th Wisconsin Volunteer Infantry Regiment