| Blousson-Sérian | |
| Commune Status: | Commune |
| Arrondissement: | Mirande |
| Canton: | Pardiac-Rivière-Basse |
| Insee: | 32058 |
| Postal Code: | 32230 |
| Mayor: | Christian Luro[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bastides et vallons du Gers |
| Coordinates: | 43.4608°N 0.1961°W |
| Elevation M: | 224 |
| Elevation Min M: | 185 |
| Elevation Max M: | 298 |
| Area Km2: | 5.27 |
Blousson-Sérian (pronounced as /fr/; oc-gascon|Blosson e Serian) is a commune in the Gers department in southwestern France.