| Céor | |
| Pushpin Map: | France#France Occitanie |
| Source1 Location: | Salles-Curan |
| Source1 Coordinates: | 44.1631°N 2.695°W |
| Mouth Location: | Viaur |
| Mouth Coordinates: | 44.1242°N 2.4914°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | France |
| Length: | 55.8km (34.7miles) |
| Source1 Elevation: | 910m (2,990feet) |
| Mouth Elevation: | 305m (1,001feet) |
| Discharge1 Avg: | 4.6m3/s |
| Basin Size: | 340km2 |
The Céor (in French pronounced as /seɔʁ/) is a 55.8km (34.7miles) long river in the Aveyron department in southern France. Its source is at Salles-Curan, 3.5km (02.2miles) southwest of the lac de Pareloup. It flows generally west-southwest. It is a left tributary of the Viaur, into which it flows at Saint-Just-sur-Viaur.
This list is ordered from source to mouth: