| 1st Battalion, 321st Field Artillery Regiment | |
|---|---|
 Coat of arms | |
| Country |  United States |
| Branch | Army |
| Type | Field artillery |
| Size | battalion |
| Garrison/HQ | inactive |
| Motto(s) | "Noli Me Tangere" (Don’t Tread On Me) |
| Insignia | |
| Distinctive unit insignia |  |
| Beret flash |  |
The 2nd Battalion, 321st Field Artillery Regiment (2-321 FAR) is an inactive field artillery battalion of the United States Army. The battalion served in World War I, World War II, Vietnam and the Global War on Terrorism with the 82nd Airborne and 101st Airborne Divisions. The battalion was inactivated in 2014 as part of force reductions.