144th Regiment may refer to:
144th (Surrey and Sussex Yeomanry) Field Regiment, Royal Artillery 144th (Surrey & Sussex Yeomanry Queen Mary’s) Field Regiment, Royal Artillery 144th Infantry Regiment (Imperial Japanese Army) 144th Infantry Regiment (United States) 144th Regiment Royal Armoured Corps
American Civil War regiments 144th Illinois Infantry Regiment 144th Indiana Infantry Regiment 144th New York Infantry Regiment 144th Ohio Infantry Regiment