| Louin | |
| Commune Status: | Commune |
| Arrondissement: | Parthenay |
| Canton: | Le Val de Thouet |
| Insee: | 79156 |
| Postal Code: | 79600 |
| Mayor: | Monique Nolot[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 46.8022°N -0.16°W |
| Elevation Min M: | 73 |
| Elevation Max M: | 160 |
| Area Km2: | 20.56 |
Louin (in French pronounced as /lwɛ̃/) is a commune in the Deux-Sèvres department in western France.