| Cadeilhan-Trachère | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Cadeilhan-Trachère (65).svg |
| Arrondissement: | Bagnères-de-Bigorre |
| Canton: | Neste, Aure et Louron |
| Insee: | 65117 |
| Postal Code: | 65170 |
| Mayor: | Michel Bessone[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.8172°N 0.3153°W |
| Elevation M: | 840 |
| Elevation Min M: | 834 |
| Elevation Max M: | 1924 |
| Area Km2: | 4.86 |
Cadeilhan-Trachère (in French pronounced as /kadɛjɑ̃ tʁaʃɛʁ/; Occitan (post 1500);: Cadelha e Trashèrra) is a commune in the Hautes-Pyrénées department in south-western France.