| Cordemais | |
| Native Name: | (Gallo) |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cordemais (Loire-Atlantique).svg |
| Arrondissement: | Nantes |
| Canton: | Blain |
| Insee: | 44045 |
| Postal Code: | 44360 |
| Mayor: | Daniel Guillé[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Estuaire et Sillon |
| Coordinates: | 47.2911°N -1.8778°W |
| Elevation Min M: | 0 |
| Elevation Max M: | 91 |
| Area Km2: | 37.15 |
Cordemais (pronounced as /fr/; Gallo: Cordemaè, Breton: Kordevez) is a commune situated in the Loire-Atlantique department in western France.
Cordemais Power Station is located in the town.