| Cassaigne | |
| Commune Status: | Commune |
| Arrondissement: | Condom |
| Canton: | Armagnac-Ténarèze |
| Insee: | 32075 |
| Postal Code: | 32100 |
| Mayor: | Sophie Pujos[1] [2] |
| Term: | 2022 - 2026 |
| Intercommunality: | Ténarèze |
| Coordinates: | 43.9089°N 0.3367°W |
| Elevation M: | 104 |
| Elevation Min M: | 74 |
| Elevation Max M: | 168 |
| Area Km2: | 8.58 |
Cassaigne (in French pronounced as /kasɛɲ/; Occitan (post 1500);: Cassanha) is a commune in the Gers department in southwestern France.