124th
- 124 (number)
- 124th (Waterford) Regiment of Foot
- 124th Battalion (Governor General's Body Guard), CEF
- 124th Delaware General Assembly
- 124th Division (People's Republic of China)
- 124th Duchess of Connaught's Own Baluchistan Infantry
- 124th Fighter Squadron
- 124th New York Volunteer Infantry Regiment
- 124th Regiment of Foot (1762)
- 124th Wing
- 124th meridian east
- 124th meridian west
- AD 124
- Ohio 124th General Assembly