| Lestiac-sur-Garonne | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Lestiac-sur-Garonne (Gironde).svg |
| Arrondissement: | Langon |
| Canton: | L'Entre-Deux-Mers |
| Insee: | 33241 |
| Postal Code: | 33550 |
| Mayor: | Daniel Bouchet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Convergence Garonne |
| Coordinates: | 44.6939°N -0.3731°W |
| Elevation M: | 12 |
| Elevation Min M: | 3 |
| Elevation Max M: | 96 |
| Area Km2: | 2.98 |
Lestiac-sur-Garonne (in French pronounced as /lɛstjak syʁ ɡaʁɔn/, literally Lestiac on Garonne; Occitan (post 1500);: Lestiac) is a commune in the Gironde department in Nouvelle-Aquitaine in southwestern France.