| Saint-Julia-de-Bec | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Julia-de-Bec (Aude).svg |
| Arrondissement: | Limoux |
| Canton: | La Haute-Vallée de l'Aude |
| Insee: | 11347 |
| Postal Code: | 11500 |
| Mayor: | Didier Aveilha[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.8694°N 2.2464°W |
| Elevation M: | 400 |
| Elevation Min M: | 355 |
| Elevation Max M: | 855 |
| Area Km2: | 13.88 |
Saint-Julia-de-Bec (in French sɛ̃ ʒylja də bɛk/; Occitan (post 1500);: Sant Jolian de Bèc) is a commune in the Aude department in southern France.