| Pousthomy | |
| Commune Status: | Commune |
| Arrondissement: | Millau |
| Canton: | Causses-Rougiers |
| Insee: | 12186 |
| Postal Code: | 12380 |
| Mayor: | Jacqueline Lavabre[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.8589°N 2.6136°W |
| Elevation M: | 480 |
| Elevation Min M: | 308 |
| Elevation Max M: | 807 |
| Area Km2: | 17.33 |
Pousthomy (in French pronounced as /pustɔmi/; Occitan (post 1500);: Postòmis) is a commune in the Aveyron department in southern France.