| Aillas | |
| Commune Status: | Commune |
| Arrondissement: | Langon |
| Canton: | Le Réolais et Les Bastides |
| Insee: | 33002 |
| Postal Code: | 33124 |
| Mayor: | André-Marc Barnett[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Réolais en Sud Gironde |
| Coordinates: | 44.475°N -0.073°W |
| Elevation M: | 64 |
| Elevation Min M: | 29 |
| Elevation Max M: | 138 |
| Area Km2: | 35.13 |
Aillas (pronounced as /fr/; oc|Alhats) is a commune of the Gironde department in southwestern France.