| Saint-Aubin-du-Plain | |
| Commune Status: | Commune |
| Arrondissement: | Bressuire |
| Canton: | Mauléon |
| Insee: | 79238 |
| Postal Code: | 79300 |
| Mayor: | Nicole Cotillon[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Bocage Bressuirais |
| Coordinates: | 46.9247°N -0.4747°W |
| Elevation M: | 158 |
| Elevation Min M: | 93 |
| Elevation Max M: | 171 |
| Area Km2: | 14.06 |
Saint-Aubin-du-Plain (in French pronounced as /sɛ̃.t‿obɛ̃ dy plɛ̃/) is a commune in the Deux-Sèvres department in western France.