| Blou | |
| Commune Status: | Commune |
| Arrondissement: | Saumur |
| Canton: | Longué-Jumelles |
| Insee: | 49030 |
| Postal Code: | 49160 |
| Mayor: | Jean-Philippe Retif[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Saumur Val de Loire |
| Coordinates: | 47.3631°N -0.0361°W |
| Elevation M: | 67 |
| Elevation Min M: | 23 |
| Elevation Max M: | 111 |
| Area Km2: | 21.46 |
Blou (in French pronounced as /blu/) is a commune in the Maine-et-Loire department in western France.