| Wain | |
| Image Coa: | Wappen Wain.svg |
| Coordinates: | 48.1881°N 10.0203°W |
| Image Plan: | Wain in BC.svg |
| State: | Baden-Württemberg |
| District: | Biberach |
| Elevation: | 530 |
| Area: | 20.14 |
| Postal Code: | 88489 |
| Area Code: | 07353 |
| Licence: | BC |
| Gemeindeschlüssel: | 08 4 26 125 |
| Mayor: | Stephan Mantz[1] |
| Leader Term: | 2022 - 30 |
Wain (pronounced as /de/) is a village and municipality in the district of Biberach in Baden-Württemberg in Germany.