| Mouillac | |
| Commune Status: | Commune |
| Arrondissement: | Montauban |
| Canton: | Quercy-Rouergue |
| Insee: | 82133 |
| Postal Code: | 82160 |
| Mayor: | Jean-Claude Romano[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CC du Quercy Rouergue et des Gorges de l'Aveyron |
| Coordinates: | 44.2683°N 1.6675°W |
| Elevation M: | 268 |
| Elevation Min M: | 187 |
| Elevation Max M: | 326 |
| Area Km2: | 9.08 |
Mouillac (in French pronounced as /mujak/; Occitan (post 1500);: Molhac) is a commune in the Tarn-et-Garonne department in the Occitanie region in southern France.