64th Regiment

64th Regiment or 64th Infantry Regiment may refer to:


 * 64th (2nd Staffordshire) Regiment of Foot, a unit of the United Kingdom Army
 * Loudon's Highlanders, a unit of the United kingdom Army raised in 1745 and ranked as 64th Foot
 * 64th Illinois Volunteer Infantry Regiment, a unit of the Union (North) Army during the American Civil War