64th Regiment

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


 * Loudon's Highlanders, a unit of the British Army raised in 1745 and ranked as 64th Foot
 * 64th (2nd Staffordshire) Regiment of Foot, a unit of the British Army
 * 64th (Liverpool Irish) Lancashire Rifle Volunteer Corps, a unit of the British Territorial Army
 * 64th (Queen's Own Royal Glasgow Yeomanry) Anti-Tank Regiment, Royal Artillery, British Yeomanry unit
 * 64th Armor Regiment, a unit of the US Army
 * 64th Infantry Regiment (United States), a unit of the US Army


 * American Civil War
 * Union (Northern) Army
 * 64th Illinois Volunteer Infantry Regiment
 * 64th New York Volunteer Infantry Regiment
 * 64th Ohio Infantry
 * 64th United States Colored Infantry Regiment


 * Confederate (Southern) Army
 * 64th Virginia Mounted Infantry