| Saint-Christaud | |
| Commune Status: | Commune |
| Arrondissement: | Muret |
| Canton: | Auterive |
| Insee: | 31474 |
| Postal Code: | 31310 |
| Mayor: | Roselyne Cussol[1] |
| Term: | 2022 - 2026 |
| Intercommunality: | Volvestre |
| Coordinates: | 43.1903°N 1.1297°W |
| Elevation M: | 372 |
| Elevation Min M: | 225 |
| Elevation Max M: | 394 |
| Area Km2: | 10.87 |
Saint-Christaud (in French pronounced as /sɛ̃ kʁisto/; Occitan (post 1500);: Sent Cristau) is a commune in the Haute-Garonne department in southwestern France.