| Fontienne | |
| Image Coat Of Arms: | Blason Fontienne.svg |
| Arrondissement: | Forcalquier |
| Canton: | Forcalquier |
| Insee: | 04087 |
| Postal Code: | 04230 |
| Mayor: | Guy Jauffred[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays de Forcalquier et Montagne de Lure |
| Coordinates: | 44.0094°N 5.7939°W |
| Elevation M: | 723 |
| Elevation Min M: | 513 |
| Elevation Max M: | 894 |
| Area Km2: | 8.18 |
Fontienne (pronounced as /fr/; oc|Fontiena) is a commune in the Alpes-de-Haute-Provence department in southeastern France.