| Tournous-Devant | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Tournous-Devant (65).svg |
| Arrondissement: | Bagnères-de-Bigorre |
| Canton: | La Vallée de l'Arros et des Baïses |
| Insee: | 65449 |
| Postal Code: | 65330 |
| Intercommunality: | Plateau de Lannemezan |
| Coordinates: | 43.2489°N 0.4189°W |
| Elevation M: | 330 |
| Elevation Min M: | 280 |
| Elevation Max M: | 342 |
| Area Km2: | 4.67 |
Tournous-Devant is a commune in the Hautes-Pyrénées department in south-western France.
The Petite Baïse forms most of the commune's eastern border.