| Matta | |
| Other Name: | Матта / Маатта |
| Pushpin Map: | Russia Sakha Republic |
| Pushpin Map Caption: | Location in the Sakha Republic, Russia |
| Source1 Coordinates: | 62.2256°N 126.9867°W |
| Mouth Coordinates: | 61.5319°N 126.3242°W |
| Mouth Elevation: | 157m (515feet) |
| Progression: | Sinyaya→ |
| Subdivision Type1: | Federal Subject |
| Length: | 195km (121miles) |
| Discharge1 Avg: | 1.19m3/s |
| Basin Size: | 4110km2 |
The Matta (Russian: Матта; Yakut: Маатта) is a river in the Sakha Republic, Russia. It is a left tributary of the Sinyaya. It is long, and has a drainage basin of .
The river begins in the southern area of the Lena Plateau. It flows roughly northeastwards across Gorny District and there are about 300 lakes in its basin. The town of Berdigestyakh, Gorny District, is located by the river. The Matta meets the left bank of the Sinyaya, a tributary of the Lena, 118km (73miles) upstream from its mouth.[1] There is also a reservoir on the river that is named after it.[2]
The main tributary of the Matta is the 67km (42miles) long Dugda on the left.[1]