| Atabapo River | |
| Subdivision Type1: | Countries |
| Length: | 280km (170miles) |
| Discharge1 Avg: | 883m3/s |
| Basin Size: | 13000km2 |
Atabapo River is a river of Venezuela and Colombia. It forms the international boundary between the two countries for much of its length. It is part of the Orinoco River basin.