| Mouzillon | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Mouzillon (Loire-Atlantique).svg |
| Arrondissement: | Nantes |
| Canton: | Vallet |
| Insee: | 44108 |
| Postal Code: | 44330 |
| Mayor: | Jean-Marc Jounier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Sèvre et Loire |
| Coordinates: | 47.1422°N -1.2811°W |
| Elevation Min M: | 9 |
| Elevation Max M: | 78 |
| Area Km2: | 16.5 |
Mouzillon (in French pronounced as /muzijɔ̃/; Breton: Maodilon) is a commune in the Loire-Atlantique department in western France.
Mouzillon is known as a producer of Muscadet wine as well as dry biscuit called the Petit Mouzillon. The two are traditionally consumed together.