10th Regiment

10th Regiment may refer to:
 * 10th Field Regiment Royal Artillery
 * 10th (R/Fus) Medium Regiment Royal Artillery 1942–1946, from 16th Battalion Royal Fusiliers (City of London Regt)
 * 2/10th Armoured Regiment (Australia), a unit of the Australian Army
 * 2nd/10th Medium Regiment, Royal Australian Artillery, a unit of the Australian Army
 * 10th Light Horse Regiment (Australia), a unit of the Australian Army
 * 10th Malay Regiment, an irregular formation which opposed the British occupation of Malaysia
 * 10th (North Lincoln) Regiment of Foot, a unit of the British Army
 * 10th Royal Hussars, a unit of the British Army
 * 10th Royal Tank Regiment, a unit of the British Army
 * 10th Regiment (Denmark), an infantry unit of the Danish Army 1951–1961
 * 10th Infantry Regiment (United States), a unit of the United States Army
 * 10th Cavalry Regiment (United States), a unit of the United States Army
 * 10th Marine Regiment (United States), a unit of the United States Marine Corps

American Revolutionary War regiments

 * 10th Massachusetts Regiment
 * 10th North Carolina Regiment
 * 10th Pennsylvania Regiment
 * 10th Virginia Regiment

American Civil War regiments

 * Confederate (Southern) Army regiments
 * 10th Regiment Alabama Infantry
 * 10th Georgia Regiment
 * 10th South Carolina Infantry Regiment
 * Union (Northern) Army regiments
 * 10th Illinois Volunteer Infantry Regiment (3 Year)
 * 10th Illinois Volunteer Infantry Regiment (3 Month)
 * 10th Illinois Volunteer Cavalry Regiment
 * 10th Iowa Volunteer Infantry Regiment
 * 10th Maine Volunteer Infantry Regiment
 * 10th Massachusetts Volunteer Infantry
 * 10th Michigan Volunteer Infantry Regiment
 * 10th Michigan Volunteer Cavalry Regiment
 * 10th Minnesota Volunteer Infantry Regiment
 * 10th New Hampshire Volunteer Regiment
 * 10th Vermont Infantry Regiment
 * 10th West Virginia Volunteer Infantry Regiment
 * 10th Wisconsin Volunteer Infantry Regiment