87th Regiment or 87th Infantry Regiment may refer to:
87th Regiment of Foot (disambiguation), several units of the British Army 87th Postal and Courier Regiment RLC, a unit of the British Army 87th Infantry Regiment (United States), a unit of the US Army
American Civil War regiments: 87th Illinois Volunteer Infantry Regiment, a unit of the Union (Northern) Army 87th Indiana Infantry Regiment, a unit of the Union (Northern) Army 87th New York Volunteer Infantry, a unit of the Union (Northern) Army 87th Ohio Infantry, a unit of the Union (Northern) Army 87th Pennsylvania Infantry, a unit of the Union (Northern) Army
See also 87th Division (disambiguation) 87th Squadron (disambiguation)