| Renau | |
| Settlement Type: | Municipality |
| Pushpin Map: | Spain Catalonia |
| Pushpin Map Caption: | Location in Catalonia |
| Coordinates: | 41.2167°N 20°W |
| Subdivision Type: | Country |
| Subdivision Name: |  Spain |
| Subdivision Type1: | Community |
| Subdivision Type2: | Province |
| Subdivision Name2: | Tarragona |
| Subdivision Type3: | Comarca |
| Subdivision Name3: | Tarragonès |
| Leader Title: | Mayor |
| Leader Name: | Rosa Ma. Pares Yago (2015)[1] |
| Area Footnotes: | [2] |
| Area Total Km2: | 8.2 |
| Elevation M: | 204 |
| Population Density Km2: | auto |
| Postal Code Type: | Postal code |
| Postal Code: | 43886 |
Renau is a municipality in the comarca of the Tarragonès in Catalonia, Spain. It is situated on the right bank of the Gaià river, which is dammed to form the Gaià reservoir. A local road links the village with Vilabella and with the N-240 road between Tarragona and Valls.