| Sireix | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Sireix (65).svg |
| Arrondissement: | Argelès-Gazost |
| Canton: | La Vallée des Gaves |
| Insee: | 65428 |
| Postal Code: | 65400 |
| Intercommunality: | Pyrénées Vallées des Gaves |
| Coordinates: | 42.9761°N -0.1461°W |
| Elevation M: | 707 |
| Elevation Min M: | 668 |
| Elevation Max M: | 1042 |
| Area Km2: | 1.73 |
Sireix (Occitan (post 1500);: Shirèish) is a commune in the Hautes-Pyrénées department in southwestern France.