| Gayan | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Gayan (65).svg |
| Arrondissement: | Tarbes |
| Canton: | Vic-en-Bigorre |
| Insee: | 65189 |
| Postal Code: | 65320 |
| Intercommunality: | CA Tarbes-Lourdes-Pyrénées |
| Coordinates: | 43.3094°N 0.0447°W |
| Elevation M: | 250 |
| Elevation Min M: | 252 |
| Elevation Max M: | 265 |
| Area Km2: | 2.78 |
Gayan is a commune in the Hautes-Pyrénées department in south-western France.