| Ercé | |
| Commune Status: | Commune |
| Arrondissement: | Saint-Girons |
| Canton: | Couserans Est |
| Insee: | 09113 |
| Postal Code: | 09140 |
| Mayor: | Christian Carrère[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Couserans-Pyrénées |
| Coordinates: | 42.8503°N 1.2903°W |
| Elevation M: | 620 |
| Elevation Min M: | 574 |
| Elevation Max M: | 1905 |
| Area Km2: | 40.75 |
Ercé (pronounced as /fr/; oc|Èrce) is a commune in the Ariège department in southwestern France.
Inhabitants are called Ercéens.