| Sainte-Marthe | |
| Commune Status: | Commune |
| Arrondissement: | Marmande |
| Canton: | Les Forêts de Gascogne |
| Insee: | 47253 |
| Postal Code: | 47430 |
| Mayor: | Bernard Massias[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Coteaux et Landes de Gascogne |
| Coordinates: | 44.4147°N 0.1497°W |
| Elevation M: | 79 |
| Elevation Min M: | 28 |
| Elevation Max M: | 94 |
| Area Km2: | 9.65 |
Sainte-Marthe is a commune in the Lot-et-Garonne department in south-western France.[2]