| 1st Battalion, 26th Marines | |
|---|---|
| Country |  United States of America |
| Branch |  United States Marine Corps |
| Type | Infantry regiment |
| Role | Locate, close with and destroy the enemy with fire and maneuver |
| Size | 1000 |
| Part of | Inactive |
| Engagements | World War II |
The 1st Battalion, 26th Marines (1/26) is an inactive infantry battalion of the United States Marine Corps. They were part of the 26th Marine Regiment and 5th Marine Division and fought during the Battle of Iwo Jima in World War II. They were activated again for the Vietnam War but were deactivated after the war and remain inactive today.