| 2nd Tank Battalion | |
|---|---|
 2nd Tanks Insignia | |
| Active | December 20, 1941 – May 5, 2021 |
| Country |  United States of America |
| Branch |  United States Marine Corps |
| Type | Armor Battalion |
| Role | Armor protected firepower and shock action. |
| Size | Battalion |
| Part of | 2nd Marine Division 2nd Marine Expeditionary Force |
| Garrison/HQ | Marine Corps Base Camp Lejeune |
| Nickname(s) | Iron Horse |
| Motto(s) | "Ace in the Hole" |
| Engagements | World War II |
| Commanders | |
| Battalion Commander | Lt Col Matthew Dowden |
| Battalion Sergeant Major | Sgt Maj Joshua J. Smith |
The 2nd Tank Battalion (2nd Tanks) was an armored battalion of the United States Marine Corps which was based out of the Marine Corps Base Camp Lejeune, North Carolina. It fell under the command of the 2nd Marine Division and the II Marine Expeditionary Force. Beginning in 2020 the United States Marine Corps deactivated all its tank battalions in order to conform to its 2030 modernization plan. The 2nd Tank Battalion was deactivated on May 5, 2021, after 79 years of service.