| Bienne | |
| Map: | Bienne.png |
| Mouth Coordinates: | 46.3329°N 5.6372°W |
| Subdivision Type1: | Country |
| Length: | 68.8km (42.8miles) |
The Bienne (in French pronounced as /bjɛn/) is a 68.8km (42.8miles) long river in the Jura and Ain departments of eastern France. Its source is near Prémanon, Jura. It passes through the towns Morez and Saint-Claude. It discharges into the reservoir Lac de Coiselet, which is drained by the Ain, near Dortan.