| Corneilla-de-Conflent | |
| Native Name: | Cornellà de Conflent |
| Commune Status: | Commune |
| Arrondissement: | Prades |
| Canton: | Le Canigou |
| Insee: | 66057 |
| Postal Code: | 66820 |
| Mayor: | Patrice Arro[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.5675°N 2.3814°W |
| Elevation M: | 634 |
| Elevation Min M: | 397 |
| Elevation Max M: | 823 |
| Area Km2: | 11.02 |
Corneilla-de-Conflent (in French pronounced as /kɔʁnɛja də kɔ̃flɑ̃/, Corneilla of Conflent; Catalan; Valencian: Cornellà de Conflent) is a commune in the Pyrénées-Orientales department in southern France.
Corneilla-de-Conflent is located in the canton of Le Canigou and in the arrondissement of Prades.
It is home to the church of Saint Mary, an 11th-12th century Romanesque building.