| Polastron | |
| Commune Status: | Commune |
| Arrondissement: | Auch |
| Canton: | Val de Save |
| Insee: | 32321 |
| Postal Code: | 32130 |
| Mayor: | Alain Laffiteau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Savès |
| Coordinates: | 43.5322°N 0.8456°W |
| Elevation M: | 192 |
| Elevation Min M: | 171 |
| Elevation Max M: | 286 |
| Area Km2: | 15.21 |
Polastron (in French pronounced as /pɔlastʁɔ̃/) is a commune in the Gers department in southwestern France.