| Châtelblanc | |
| Commune Status: | Commune |
| Coordinates: | 46.6736°N 6.1167°W |
| Arrondissement: | Pontarlier |
| Canton: | Frasne |
| Insee: | 25131 |
| Postal Code: | 25240 |
| Mayor: | Roland Bourgeois Dit Dessus[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Lacs et Montagnes du Haut-Doubs |
| Elevation M: | 1000 |
| Elevation Min M: | 901 |
| Elevation Max M: | 1271 |
| Area Km2: | 20.79 |
Châtelblanc (pronounced as /fr/) is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.