| Serga | |
| Subdivision Type1: | Country |
| Subdivision Name1: | Russia |
| Length: | 113km (70miles) |
| Mouth: | Ufa |
| Mouth Coordinates: | 56.4294°N 59.0744°W |
| Basin Size: | 2170km2 |
The Serga (ru|Серга) is a river in Sverdlovsk Oblast, Russia. A right tributary of the Ufa, the Serga is 113km (70miles) long, with a drainage basin of 2170km2.[1]
The river is much used by rafters. The town of Nizhniye Sergi lies by the Serga.