| Réotier | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Reotier.svg |
| Arrondissement: | Briançon |
| Canton: | Guillestre |
| Insee: | 05116 |
| Postal Code: | 05600 |
| Mayor: | Marcel Cannat[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Guillestrois et Queyras |
| Coordinates: | 44.6647°N 6.5906°W |
| Elevation M: | 1050 |
| Elevation Min M: | 871 |
| Elevation Max M: | 3086 |
| Area Km2: | 22.33 |
Réotier (in French pronounced as /ʁe.ɔtje/; Occitan (post 1500);: Reotier) is a commune in the Hautes-Alpes department in southeastern France.