112th Regiment may refer to:
112th Regiment of Foot (disambiguation), British Army regiments 112th Infantry Regiment (United States) 112th Aviation Regiment 112th Cavalry Regiment 112th Field Artillery Regiment 112th Regiment Royal Armoured Corps 112th (Durham Light Infantry) Light Anti-Aircraft Regiment, Royal Artillery 112th (Wessex) Field Regiment, Royal Artillery 112th Field Regiment, Royal Artillery
American Civil War regiments 112th Illinois Infantry Regiment 112th New York Infantry Regiment 112th United States Colored Infantry Regiment
See also 112th Brigade (disambiguation) 112th Division (disambiguation)