| Castelnaud-de-Gratecambe | |
| Commune Status: | Commune |
| Arrondissement: | Villeneuve-sur-Lot |
| Canton: | Le Haut agenais Périgord |
| Insee: | 47055 |
| Postal Code: | 47290 |
| Mayor: | Gilbert Serres[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 44.4981°N 0.6692°W |
| Elevation M: | 212 |
| Elevation Min M: | 80 |
| Elevation Max M: | 214 |
| Area Km2: | 17.23 |
Castelnaud-de-Gratecambe (in French pronounced as /kastɛlno də ɡʁatkɑ̃b/; Occitan (post 1500);: Castèlnuèu de Gratacamba) is a commune in the Lot-et-Garonne department in the Occitanie region of Southwestern France.