| Marzan | |
| Native Name: | Marzhan |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Marzan 56.svg |
| Coordinates: | 47.5417°N -2.3225°W |
| Insee: | 56126 |
| Postal Code: | 56130 |
| Arrondissement: | Vannes |
| Canton: | Muzillac |
| Mayor: | Denis Le Ralle[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Arc Sud Bretagne |
| Elevation Min M: | 0 |
| Elevation Max M: | 83 |
| Area Km2: | 33.84 |
Marzan (pronounced as /fr/; br|Marzhan) is a commune in the Morbihan department of Brittany in north-western France.[2]
Inhabitants of Marzan are called in French Marzannais.