75th Regiment
- 75th (Middlesex) Searchlight Regiment, Royal Artillery
- 75th Brigade (disambiguation)
- 75th Carnatic Infantry
- 75th Cavalry Regiment
- 75th Division (disambiguation)
- 75th Field Artillery Regiment
- 75th Illinois Volunteer Infantry Regiment
- 75th Indiana Infantry Regiment
- 75th Infantry Regiment (Ranger)
- 75th Infantry Regiment (United States)
- 75th Ohio Infantry
- 75th Pennsylvania Infantry
- 75th Ranger Regiment (United States)
- 75th Regiment of Foot (disambiguation)