124th Regiment may refer to:

124th Regiment of Foot (disambiguation), British Army regiments 124th Duchess of Connaught's Own Baluchistan Infantry, British Indian Army 124th Cavalry Regiment, United States Army 124th Infantry Regiment (United States)

American Civil War regiments 124th Illinois Infantry Regiment 124th Indiana Infantry Regiment 124th New York Infantry Regiment 124th Ohio Infantry Regiment 124th Pennsylvania Infantry Regiment

See also 124th Brigade (disambiguation) 124th Division (disambiguation) 124th (disambiguation)