12-pounder gun
- 12-pounder Whitworth rifle
- 12-pounder long gun
- Canon de 12 Gribeauval
- Canon de 12 de Vallière
- Canon lourd de 12 Gribeauval
- Canon obusier de 12
- Dahlgren gun
- M1841 12-pounder howitzer
- M1857 12-pounder Napoleon
- Naval artillery in the Age of Sail
- Ordnance BL 12 pounder 6 cwt
- Ordnance BL 12 pounder 7 cwt
- Ordnance QF 12 pounder 8 cwt
- QF 12 pounder 12 cwt AA gun
- QF 12 pounder 12 cwt naval gun
- QF 12 pounder 18 cwt naval gun
- QF 3 inch 20 cwt
- RBL 12 pounder 8 cwt Armstrong gun
- Twelve-pound cannon