| Sau Reservoir | |
| Name Official: | Pantà de Sau |
| Location Map: | Spain Catalonia |
| Location Map Caption: | Location of Pantà de Sau |
| Coordinates: | 41.9681°N 2.4131°W |
| Country: | Spain |
| Location: | Vilanova de Sau, Catalonia |
| Status: | O |
| Opening: | 1962 |
| Dam Type: | G |
| Dam Height: | 83 m |
| Dam Length: | 260 m |
| Dam Crosses: | Ter |
| Res Capacity Total: | 151.3 hm³ |
| Res Catchment: | 1522 km² |
| Res Surface: | 572.8 ha |
Sau Reservoir (ca|Pantà de Sau; pronounced as /ca/) is a reservoir located on the Ter river, near Vilanova de Sau, Catalonia, Spain. The dam was completed in 1962, creating a reservoir with a storage capacity of 151.3 hm³ that covered the former town of Sant Romà de Sau. The Church of Sant Romà is still visible when the water level is low. The dam has a structural height of 83 m and a crest length of 260 m.[1] [2]