| Osséja | |
| Native Name: | Oceja |
| Commune Status: | Commune |
| Image Coat Of Arms: | Escut oceja.svg |
| Arrondissement: | Prades |
| Canton: | Les Pyrénées catalanes |
| Insee: | 66130 |
| Postal Code: | 66340 |
| Mayor: | Roger Ciurana[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pyrénées Cerdagne |
| Coordinates: | 42.4169°N 1.9817°W |
| Elevation M: | 1247 |
| Elevation Min M: | 1187 |
| Elevation Max M: | 2192 |
| Area Km2: | 17.13 |
Osséja (in French pronounced as /ɔseʒa/; Catalan; Valencian: Oceja) is a commune in the Pyrénées-Orientales department in southern France.
Osséja is located in the canton of Les Pyrénées catalanes and in the arrondissement of Prades. Osséja station has rail connections to Villefranche-de-Conflent and Latour-de-Carol.