| Châteauneuf-Val-Saint-Donat | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Châteauneuf Val Saint Donat.svg |
| Arrondissement: | Forcalquier |
| Canton: | Château-Arnoux-Saint-Auban |
| Insee: | 04053 |
| Postal Code: | 04200 |
| Demonym: | Chabannais |
| Mayor: | Frédéric Drac[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.095°N 5.9503°W |
| Elevation Min M: | 480 |
| Elevation Max M: | 1458 |
| Area Km2: | 21.1 |
Châteauneuf-Val-Saint-Donat (in French ʃɑtonœf val sɛ̃ dɔna/; Occitan (post 1500);: Chastèunòu Vau Sant Donat) is a commune in the Alpes-de-Haute-Provence department in southeastern France.