74th Regiment
- 74 Squadron
- 74th (Essex Fortress) Anti-Aircraft Battalion, Royal Engineers
- 74th Division (disambiguation)
- 74th Illinois Infantry Regiment
- 74th Indiana Infantry Regiment
- 74th Infantry Regiment (Poland)
- 74th Infantry Regiment (United States)
- 74th New York Infantry Regiment
- 74th Ohio Infantry Regiment
- 74th Pennsylvania Infantry Regiment
- 74th Regiment of Foot (disambiguation)