47th Regiment
- 47th (Lancashire) Regiment of Foot
- 47th (Oldham) Royal Tank Regiment
- 47th Arkansas Infantry (Mounted)
- 47th Illinois Volunteer Infantry Regiment
- 47th Indiana Infantry Regiment
- 47th Infantry Regiment (United States)
- 47th Iowa Volunteer Infantry Regiment
- 47th Missouri Volunteer Infantry
- 47th New York Volunteer Infantry
- 47th Palma Light Infantry Regiment
- 47th Pennsylvania Infantry Regiment
- 47th Regiment Kentucky Volunteer Mounted Infantry
- 47th Regiment Royal Artillery
- 47th Sikhs
- 47th Tennessee Infantry Regiment
- 47th United States Colored Infantry Regiment
- 47th Virginia Infantry
- 47th Wisconsin Volunteer Infantry Regiment