| Cahuzac-sur-Adour | |
| Commune Status: | Commune |
| Arrondissement: | Mirande |
| Canton: | Adour-Gersoise |
| Insee: | 32070 |
| Postal Code: | 32400 |
| Mayor: | Mireille Aragnouet[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 43.6397°N -0.0222°W |
| Elevation M: | 120 |
| Elevation Min M: | 112 |
| Elevation Max M: | 141 |
| Area Km2: | 6.62 |
Cahuzac-sur-Adour (in French pronounced as /ka.yzak syʁ aduʁ/, literally Cahuzac on Adour; Occitan (post 1500);: Caüsac d'Ador) is a commune in the Gers department in southwestern France.