| Castelferrus | |
| Commune Status: | Commune |
| Arrondissement: | Castelsarrasin |
| Canton: | Beaumont-de-Lomagne |
| Insee: | 82030 |
| Postal Code: | 82100 |
| Mayor: | Guy Dupuy[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.0103°N 1.0883°W |
| Elevation M: | 83 |
| Elevation Min M: | 68 |
| Elevation Max M: | 145 |
| Area Km2: | 8.39 |
Castelferrus (pronounced as /fr/; oc|Castèlferrús) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.