| Séchin | |
| Commune Status: | Commune |
| Coordinates: | 47.3378°N 6.2853°W |
| Insee: | 25538 |
| Postal Code: | 25110 |
| Arrondissement: | Besançon |
| Canton: | Baume-les-Dames |
| Mayor: | Pierre Roussy[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 332 |
| Elevation Max M: | 398 |
| Area Km2: | 1.09 |
Séchin (pronounced as /fr/) is a commune in the Doubs department in the Bourgogne-Franche-Comté region in eastern France.
The commune lies 4km (02miles) northeast of Roulans.
The village was burned in 1944 in reprisal for an attack on a German convoy. It was rebuilt in the early 1950s.