| Gaja-la-Selve | |
| Commune Status: | Commune |
| Arrondissement: | Carcassonne |
| Canton: | La Piège au Razès |
| Insee: | 11159 |
| Postal Code: | 11270 |
| Mayor: | Régis Calmon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Piège Lauragais Malepère |
| Coordinates: | 43.1964°N 1.8967°W |
| Elevation M: | 325 |
| Elevation Min M: | 273 |
| Elevation Max M: | 374 |
| Area Km2: | 11.38 |
Gaja-la-Selve (in French pronounced as /ɡaʒa la sɛlv/; Occitan (post 1500);: Gajan de la Selva) is a commune in the Aude department in southern France.