| Châteaudouble | |
| Commune Status: | Commune |
| Arrondissement: | Valence |
| Canton: | Crest |
| Intercommunality: | CA Valence Romans Agglo |
| Insee: | 26081 |
| Postal Code: | 26120 |
| Mayor: | François Bellier[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.9003°N 5.0961°W |
| Elevation M: | 380 |
| Elevation Min M: | 270 |
| Elevation Max M: | 1102 |
| Area Km2: | 17.37 |
Châteaudouble (in French ʃɑtodubl/; Occitan (post 1500);: Chastèudoble) is a commune in the Drôme department in southeastern France. The engineer and sinologist Joseph Charignon was born in Châteaudouble.