| Cazalrenoux | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cazalrenoux (Aude).svg |
| Arrondissement: | Carcassonne |
| Canton: | La Piège au Razès |
| Insee: | 11087 |
| Postal Code: | 11270 |
| Mayor: | Brice Asensio[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.1997°N 1.9503°W |
| Elevation M: | 300 |
| Elevation Min M: | 285 |
| Elevation Max M: | 410 |
| Area Km2: | 13.35 |
Cazalrenoux (in French pronounced as /kazalʁənu/; Occitan (post 1500);: Casalrenos) is a commune in the Aude department in southern France.