| Official Name: | Kotluban |
| Native Name: | Котлубань |
| Settlement Type: | Settlement |
| Pushpin Map: | Russia Volgograd Oblast#Russia |
| Subdivision Type: | Country |
| Subdivision Name: | Russia |
| Subdivision Name1: | Volgograd Oblast |
| Subdivision Name3: | Gorodishchensky District |
| Subdivision Type4: | Municipality |
| Utc Offset1: | +4:00 |
| Coordinates: | 49.0167°N 57°W[1] |
Kotluban (Russian: Котлубань) is a rural locality (a settlement) and the administrative center of Kotlubanskoye Rural Settlement, Gorodishchensky District, Volgograd Oblast, Russia. The population was 2,103 as of 2010.[2] There are 40 streets.[3]
Kotluban is located on the left bank of the Sakarka River, 34 km northwest of Gorodishche (the district's administrative centre) by road. Varlamov is the nearest rural locality.[4]