12th Regiment

The 12th Regiment may refer to many military units.


 * 12th Infantry Regiment (South Korea)
 * 12th Regiment Royal Artillery
 * 12th Infantry Regiment (Philippine Commonwealth)
 * 12th Infantry Regiment (USAFIP-NL)
 * 12th Infantry Regiment (United States)
 * 12th Cavalry Regiment (United States)
 * 12th Regiment Massachusetts Volunteer Infantry (American Civil War)