7th Cavalry
- 2/7th Cavalry Commando Regiment (Australia)
- 7th Arkansas Cavalry Regiment
- 7th Cavalry (film)
- 7th Cavalry (wargame)
- 7th Cavalry Brigade (United Kingdom)
- 7th Cavalry Brigade (United States)
- 7th Cavalry Division (German Empire)
- 7th Cavalry Division (Russian Empire)
- 7th Cavalry Regiment
- 7th Guards Cavalry Corps
- 7th Illinois Cavalry Regiment
- 7th Indian Cavalry Brigade
- 7th Indiana Cavalry Regiment
- 7th Iowa Cavalry Regiment
- 7th Kansas Cavalry Regiment
- 7th Kentucky Cavalry Regiment (Union)
- 7th Light Cavalry
- 7th Michigan Cavalry Regiment
- 7th Missouri Cavalry Regiment (Union)
- 7th New York Cavalry Regiment
- 7th Ohio Cavalry Regiment
- 7th Pennsylvania Cavalry Regiment
- 7th Rhode Island Cavalry Squadron
- 7th Tennessee Cavalry Regiment (Union)
- 7th Texas Cavalry Regiment
- 7th Virginia Cavalry Regiment
- 7th West Virginia Cavalry Regiment