| Mailhac | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Mailhac 11.svg |
| Arrondissement: | Narbonne |
| Canton: | Le Sud-Minervois |
| Insee: | 11212 |
| Postal Code: | 11120 |
| Mayor: | Serge Debled[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Grand Narbonne |
| Coordinates: | 43.3047°N 2.8283°W |
| Elevation M: | 70 |
| Elevation Min M: | 57 |
| Elevation Max M: | 247 |
| Area Km2: | 10.51 |
Mailhac (in French pronounced as /majak/; Occitan (post 1500);: Malhac) is a commune in the Aude department in southern France.
Its former mayor, Gérard Schivardi, was a candidate in the French presidential election of 2007 but lost the election.