74th Regiment
74th Regiment or 74th Infantry Regiment may refer to:
- 74th Infantry Regiment (Poland), a unit of the Polish Army
- 74th Regiment of Foot (disambiguation), several units of the British Army
- 74th (Essex Fortress) Anti-Aircraft Battalion, Royal Engineers, British air defence unit
- 74th Infantry Regiment (United States), former infantry unit of the US Army
American Civil War
- 74th Illinois Infantry Regiment, a unit of the Union (Northern) Army
- 74th Indiana Infantry Regiment, a unit of the Union (Northern) Army
- 74th New York Infantry Regiment, a unit of the Union (Northern) Army
- 74th Ohio Infantry Regiment, a unit of the Union (Northern) Army
- 74th Pennsylvania Infantry Regiment, a unit of the Union (Northern) Army