| Fontrabiouse | |
| Native Name: | Font Rabiosa |
| Commune Status: | Commune |
| Arrondissement: | Prades |
| Canton: | Les Pyrénées catalanes |
| Insee: | 66081 |
| Postal Code: | 66210 |
| Mayor: | Pierre Bataille[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.6369°N 2.0967°W |
| Elevation M: | 1460 |
| Elevation Min M: | 1438 |
| Elevation Max M: | 2547 |
| Area Km2: | 15.57 |
Fontrabiouse (in French pronounced as /fɔ̃ʁabjuz/; Catalan; Valencian: Font-rabiosa) is a commune in the Pyrénées-Orientales department in southern France.
Fontrabiouse is located in the canton of Les Pyrénées catalanes and in the arrondissement of Prades.