| Odon | |
| Pushpin Map: | France#France Normandy |
| Mouth Coordinates: | 49.1614°N -0.3703°W |
| Subdivision Type1: | Country |
| Length: | 47km (29miles) |
The Odon (in French pronounced as /ɔdɔ̃/) is a river in the Calvados department, in Normandy, northwestern France. It is 47 km long and is a left tributary of the Orne. The river passes through Jurques, Aunay-sur-Odon, Baron-sur-Odon, Bretteville-sur-Odon, Épinay-sur-Odon, Grainville-sur-Odon, Parfouru-sur-Odon, Tournay-sur-Odon and Tourville-sur-Odon. It flows into the Orne in Caen.