| Billy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr billy (loir-et-cher).svg |
| Arrondissement: | Romorantin-Lanthenay |
| Canton: | Selles-sur-Cher |
| Insee: | 41016 |
| Postal Code: | 41130 |
| Mayor: | Nicolas Garnier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Romorantinais et Monestois |
| Coordinates: | 47.3131°N 1.5394°W |
| Elevation M: | 90 |
| Elevation Min M: | 69 |
| Elevation Max M: | 107 |
| Area Km2: | 26.47 |
Billy (in French pronounced as /biji/) is a commune in the Loir-et-Cher department in central France.