| Ilheu | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Ilheu (65).svg |
| Arrondissement: | Bagnères-de-Bigorre |
| Canton: | La Vallée de la Barousse |
| Insee: | 65229 |
| Postal Code: | 65370 |
| Mayor: | Didier Trey[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Neste Barousse |
| Coordinates: | 42.9978°N 0.5964°W |
| Elevation M: | 700 |
| Elevation Min M: | 520 |
| Elevation Max M: | 894 |
| Area Km2: | 2.01 |
Ilheu is a commune in the Hautes-Pyrénées department in south-western France.