| Castelmary | |
| Commune Status: | Commune |
| Arrondissement: | Villefranche-de-Rouergue |
| Canton: | Aveyron et Tarn |
| Insee: | 12060 |
| Postal Code: | 12800 |
| Mayor: | Claude Cazals[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.1706°N 2.2531°W |
| Elevation M: | 400 |
| Elevation Min M: | 240 |
| Elevation Max M: | 486 |
| Area Km2: | 11.81 |
Castelmary (pronounced as /fr/; oc|Castèlmarin) is a commune in the Aveyron department in southern France.