| Landing Zone Sierra | |
|---|---|
| Coordinates | 16°50′20″N 106°49′16″E / 16.839°N 106.821°E |
| Type | Marines |
| Site history | |
| Built | 1968 |
| In use | 1968-9 |
| Battles/wars |  Vietnam War |
| Garrison information | |
| Occupants | 3rd Marine Division |
Landing Zone Sierra was a U.S. Marine Corps base located northwest of Cam Lộ, Quảng Trị Province in central Vietnam.