| Châteaugay | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Châteaugay (Puy-de-Dôme).svg |
| Arrondissement: | Clermont-Ferrand |
| Canton: | Châtel-Guyon[1] |
| Insee: | 63099 |
| Postal Code: | 63119 |
| Mayor: | René Darteyre[2] |
| Term: | 2020 - 2026 |
| Intercommunality: | Clermont Auvergne Métropole |
| Coordinates: | 45.8519°N 3.0856°W |
| Elevation M: | 536 |
| Elevation Min M: | 320 |
| Elevation Max M: | 537 |
| Area Km2: | 9.08 |
Châteaugay (in French ʃɑtoɡɛ/; Occitan (post 1500);: label=[[Auvergnat dialect|Auvergnat]]|Chasteugai) is a commune in the Puy-de-Dôme department in Auvergne-Rhône-Alpes in central France.