| Firebase Fuller | |
|---|---|
| Coordinates | 16°48′40″N 106°53′24″E / 16.811°N 106.890°E |
| Type | Army |
| Site history | |
| Built | 1969 |
| In use | 1969–1972 |
| Battles/wars |  Vietnam War Easter Offensive |
| Garrison information | |
| Occupants | 3rd Battalion 9th Marines 2nd Battalion, 4th Marines |
Firebase Fuller (also known as Dong Ha Mountain or Hill 549) is a former U.S. Marine Corps, Army and Army of the Republic of Vietnam (ARVN) firebase in central Vietnam.