| Mouthoumet | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Mouthoumet (Aude).svg |
| Arrondissement: | Narbonne |
| Canton: | Les Corbières |
| Insee: | 11260 |
| Postal Code: | 11330 |
| Mayor: | Christelle Hermand[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.9608°N 2.5275°W |
| Elevation Min M: | 400 |
| Elevation Max M: | 704 |
| Area Km2: | 13.73 |
Mouthoumet (pronounced as /fr/; Languedocien: Motomet) is a commune in the Aude department in southern France.