| Les Costes | |
| Commune: | Aubessagne |
| Arrondissement: | Gap |
| Canton: | Saint-Bonnet-en-Champsaur |
| Insee: | 05043 |
| Postal Code: | 05500 |
| Coordinates: | 44.7467°N 6.0347°W |
| Elevation M: | 1110 |
| Elevation Min M: | 1043 |
| Elevation Max M: | 2776 |
| Area Km2: | 8.78 |
| Population: | 178 |
| Population Date: | 2015 |
| Population Footnotes: | [1] |
Les Costes (Vivaro-Alpine: Las Còstas) is a former commune in the Hautes-Alpes department in southeastern France. On 1 January 2018, it was merged into the new commune of Aubessagne.[2]