| Saint-Julien-du-Puy | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Saint-Julien-du-Puy (Tarn).svg |
| Arrondissement: | Castres |
| Canton: | Plaine de l'Agoût |
| Insee: | 81258 |
| Postal Code: | 81440 |
| Mayor: | Eric Mazars[1] |
| Term: | 2024 - 2026 |
| Intercommunality: | Lautrécois et Pays d'Agout |
| Coordinates: | 43.7592°N 2.0819°W |
| Elevation M: | 230 |
| Elevation Min M: | 159 |
| Elevation Max M: | 311 |
| Area Km2: | 19.38 |
Saint-Julien-du-Puy (Languedocien: Sant Julian dal Puòg) is a commune in the Tarn department and Occitanie region of southern France.
The commune is traversed by the river Dadou.