| Buc | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Buc (Territoire de Belfort).svg |
| Coordinates: | 47.6153°N 6.7861°W |
| Insee: | 90020 |
| Postal Code: | 90800 |
| Arrondissement: | Belfort |
| Canton: | Châtenois-les-Forges |
| Mayor: | Didier Sacksteder[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Belfort |
| Elevation Min M: | 364 |
| Elevation Max M: | 461 |
| Area Km2: | 2.44 |
Buc (in French pronounced as /byk/) is a commune in the Territoire de Belfort department in Bourgogne-Franche-Comté in northeastern France.