| Sept-Saulx | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Sept-Saulx (Marne).svg |
| Image Coat Of Arms Size: | 109px |
| Arrondissement: | Reims |
| Canton: | Mourmelon-Vesle et Monts de Champagne |
| Insee: | 51530 |
| Postal Code: | 51400 |
| Mayor: | Valérie Chaumet[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CU Grand Reims |
| Coordinates: | 49.15°N 4.2542°W |
| Elevation Min M: | 91 |
| Elevation Max M: | 151 |
| Area Km2: | 18.3 |
Sept-Saulx (in French pronounced as /sɛt so/) is a commune in the Marne department in north-eastern France.