78th Regiment

78th Regiment or 78th Infantry Regiment may refer to:


 * 78th Regiment of Foot (disambiguation), several units of the British Army
 * 78th Moplah Rifles, a regiment of the British Indian Army
 * 78th Infantry Regiment (Imperial Japanese Army)
 * 78th Independent Infantry Regiment (North Korea)
 * 78th Field Artillery Regiment, a unit of the US Army

American Civil War:


 * 78th Illinois Infantry Regiment, a unit of the Union (Northern) Army
 * 78th Indiana Infantry Regiment, a unit of the Union (Northern) Army
 * 78th New York Infantry Regiment, a unit of the Union (Northern) Army and nicknamed the 78th Highlanders in reference to the British units
 * 78th Ohio Infantry Regiment, a unit of the Union (Northern) Army
 * 78th Pennsylvania Infantry Regiment, a unit of the Union (Northern) Army