| Tuolba | |
| Mouth: | Lena |
| Mouth Coordinates: | 60.6031°N 124.2434°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 395km (245miles) |
| Basin Size: | 15800km2 |
| Pushpin Map: | Russia Sakha Republic |
| Pushpin Map Caption: | Mouth location in Yakutia, Russia |
The Tuolba (Russian: Туолба) is a river of Sakha Republic, eastern Russia. It is long, and has a drainage basin of . Its source is in the Aldan Highlands and it is a right tributary of the Lena,[1] The Tuolba runs through the village of Alexeyevka.