50th Regiment

50th Regiment or 50th Infantry Regiment may refer to:

Infantry regiments

 * 50th (Queen's Own) Regiment of Foot, a unit of the British Army, 1755–1881
 * Shirley's Regiment (50th Regiment of Foot, American Provincials), a unit of the British Army
 * 50th (Northumbrian) Infantry Division, a unit of the British Army
 * 50th Infantry Regiment (United States), a unit of the United States Army
 * 50th Infantry Regiment (Greece), a unit of the Greek Army
 * The Canadian Scottish Regiment (Princess Mary's), a unit of the Canadian Army

Union (Northern) regiments

 * 50th Illinois Volunteer Infantry Regiment
 * 50th Indiana Infantry Regiment
 * 50th Ohio Infantry
 * 50th Pennsylvania Infantry
 * 50th Wisconsin Volunteer Infantry Regiment
 * 50th United States Colored Infantry Regiment

Confederate (Southern) regiments

 * 50th Georgia Volunteer Infantry
 * 50th North Carolina Infantry
 * 50th Virginia Infantry

Other regiments

 * 50th Anti-Aircraft Missile Regiment (Romania), a unit of the Romanian Army
 * 50th Royal Tank Regiment, a unit of the British Army
 * 50th Armoured Regiment (India), a unit of the Indian Army
 * 50th Indian Tank Brigade, a unit of the Indian Army
 * 50th Field Artillery Regiment (The Prince of Wales Rangers), RCA, a unit of the Canadian Army