| Columbus Lake | |
| Location: | Lowndes / Clay counties, Mississippi |
| Type: | Reservoir |
| Basin Countries: | United States |
| Elevation: | 49m (161feet) |
| Pushpin Map: | Mississippi#USA |
| Pushpin Map Alt: | Location of Columbus Lake in Mississippi, USA. |
Columbus Lake is a lake in northeast Mississippi on the Tennessee-Tombigbee Waterway. Close to Columbus, it is impounded by the John C. Stennis Lock and Dam.