| Saint-Quentin-de-Caplong | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Quentin-de-Caplong (Gironde).svg |
| Arrondissement: | Libourne |
| Canton: | Le Réolais et Les Bastides |
| Insee: | 33467 |
| Postal Code: | 33220 |
| Mayor: | Jean-Pierre Roubineau[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pays Foyen |
| Coordinates: | 44.7844°N 0.1322°W |
| Elevation M: | 90 |
| Elevation Min M: | 18 |
| Elevation Max M: | 111 |
| Area Km2: | 11.27 |
Saint-Quentin-de-Caplong (in French pronounced as /sɛ̃ kɑ̃tɛ̃ də kaplɔ̃/, literally Saint-Quentin of Caplong; Occitan (post 1500);: Sent Quentin de Cablong) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.