| Châtonnay | |
| Commune Status: | Commune |
| Arrondissement: | Vienne |
| Canton: | Bièvre |
| Insee: | 38094 |
| Postal Code: | 38440 |
| Mayor: | Jean-Michel Nogueras[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 45.4867°N 5.2078°W |
| Elevation M: | 452 |
| Elevation Min M: | 424 |
| Elevation Max M: | 615 |
| Area Km2: | 31.84 |
Châtonnay (in French pronounced as /ʃatɔnɛ/) is a commune in the Isère department in southeastern France.