87th Regiment

87th Regiment or 87th Infantry Regiment may refer to:


 * 87th Infantry Regiment (Philippine Commonwealth Army)
 * 87th (Royal Irish Fusiliers) Regiment of Foot, a unit of the United Kingdom Army
 * 87th Regiment of Foot (Keith's Highlanders), a unit of the United Kingdom Army
 * 87th Postal and Courier Regiment, a unit of the United Kingdom Army
 * 87th Infantry Regiment (United States)
 * 87th Illinois Volunteer Infantry Regiment, a unit of the Union (Northern) Army during the American Civil War