| Vern-sur-Seiche | |
| Commune Status: | Commune |
| Native Name: | (Gallo) |
| Coordinates: | 48.0456°N -1.5989°W |
| Insee: | 35352 |
| Postal Code: | 35770 |
| Arrondissement: | Rennes |
| Canton: | Janzé |
| Mayor: | Stéphane Labbé[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Rennes Métropole |
| Elevation Min M: | 21 |
| Elevation Max M: | 72 |
| Area Km2: | 19.70 |
Vern-sur-Seiche (in French pronounced as /vɛʁn syʁ sɛʃ/; ; Gallo: Vèrn) is a commune in the Ille-et-Vilaine department in Brittany in northwestern France.
Inhabitants of Vern-sur-Seiche are called Vernois and Vernoises in French.