| Sembas | |
| Commune Status: | Commune |
| Arrondissement: | Villeneuve-sur-Lot |
| Canton: | Le Confluent |
| Insee: | 47297 |
| Postal Code: | 47360 |
| Mayor: | Aurore Lascombes[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Confluent et Coteaux de Prayssas |
| Coordinates: | 44.3189°N 0.6489°W |
| Elevation M: | 215 |
| Elevation Min M: | 124 |
| Elevation Max M: | 224 |
| Area Km2: | 12.51 |
Sembas is a commune in the Lot-et-Garonne department in south-western France.