| Sewen | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason de la ville de Sewen (Haut-Rhin).svg |
| Arrondissement: | Thann-Guebwiller |
| Canton: | Masevaux-Niederbruck |
| Insee: | 68307 |
| Postal Code: | 68290 |
| Mayor: | Hubert Fluhr[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Vallée de la Doller et du Soultzbach |
| Coordinates: | 47.8081°N 6.9056°W |
| Elevation M: | 500 |
| Elevation Min M: | 483 |
| Elevation Max M: | 1242 |
| Area Km2: | 21.5 |
Sewen (in French pronounced as /sevən/; Swiss German; Alemannic; Alsatian: Seewe) is a commune in the Haut-Rhin department in Grand Est in north-eastern France.