| Bû | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Bû (Eure-et-Loir).svg |
| Arrondissement: | Dreux |
| Canton: | Anet |
| Insee: | 28064 |
| Postal Code: | 28410 |
| Mayor: | Pierre Sanier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Dreux |
| Coordinates: | 48.7972°N 1.4964°W |
| Elevation Min M: | 89 |
| Elevation Max M: | 141 |
| Area Km2: | 22.6 |
Bû (pronounced as /fr/) is a commune in the Eure-et-Loir department in northern France.