| Montagnac-sur-Lède | |
| Commune Status: | Commune |
| Arrondissement: | Villeneuve-sur-Lot |
| Canton: | Le Haut agenais Périgord |
| Insee: | 47181 |
| Postal Code: | 47150 |
| Mayor: | Yvon Setze[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Bastides en Haut-Agenais Périgord |
| Coordinates: | 44.5425°N 0.845°W |
| Elevation M: | 130 |
| Elevation Min M: | 85 |
| Elevation Max M: | 231 |
| Area Km2: | 19.55 |
Montagnac-sur-Lède (in French pronounced as /mɔ̃taɲak syʁ lɛd/, literally Montagnac on Lède; Occitan (post 1500);: Montanhac de Leda) is a commune in the Lot-et-Garonne department in south-western France.