37th Regiment

37th Regiment or 37th Infantry Regiment may refer to:


 * 37 (Wessex and Welsh) Signal Regiment, a unit of the United Kingdom Army
 * 37th Infantry Regiment (United States)
 * 37th Armor Regiment (United States), a unit of the United States Army
 * Combat Logistics Regiment 37, a unit of the United States Marine Corps


 * American Civil War Regiments :
 * 37th Illinois Volunteer Infantry Regiment
 * 37th Iowa Volunteer Infantry Regiment
 * 37th New Jersey Volunteer Infantry Regiment
 * 37th Wisconsin Volunteer Infantry Regiment