10th Regiment
- 10 Squadron (disambiguation)
- 10th (North Lincoln) Regiment of Foot
- 10th (R/Fus) Medium Regiment Royal Artillery
- 10th Brigade (disambiguation)
- 10th Cavalry Regiment (United States)
- 10th Division (disambiguation)
- 10th Georgia Regiment
- 10th Group (disambiguation)
- 10th Illinois Volunteer Cavalry Regiment
- 10th Illinois Volunteer Infantry Regiment (3 Month)
- 10th Illinois Volunteer Infantry Regiment (3 Year)
- 10th Infantry Regiment (United States)
- 10th Iowa Volunteer Infantry Regiment
- 10th Light Horse Regiment (Australia)
- 10th Maine Volunteer Infantry Regiment
- 10th Malay Regiment
- 10th Marine Regiment (United States)
- 10th Massachusetts Regiment
- 10th Michigan Volunteer Cavalry Regiment
- 10th Michigan Volunteer Infantry Regiment
- 10th Minnesota Volunteer Infantry Regiment
- 10th New Hampshire Volunteer Regiment
- 10th North Carolina Regiment
- 10th Pennsylvania Regiment
- 10th Regiment (Denmark)
- 10th Regiment Alabama Infantry
- 10th Regiment Massachusetts Volunteer Infantry
- 10th Royal Hussars
- 10th Royal Tank Regiment
- 10th South Carolina Infantry Regiment
- 10th Vermont Infantry Regiment
- 10th Virginia Regiment
- 10th West Virginia Volunteer Infantry Regiment
- 10th Wisconsin Volunteer Infantry Regiment
- 2/10th Armoured Regiment (Australia)
- 2nd/10th Medium Regiment, Royal Australian Artillery
- Tenth Army (disambiguation)
- X Corps (disambiguation)