| Quirbajou | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Quirbajou (Aude).svg |
| Arrondissement: | Limoux |
| Canton: | La Haute-Vallée de l'Aude |
| Insee: | 11306 |
| Postal Code: | 11500 |
| Mayor: | Jacques de la Piquerie[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Pyrénées Audoises |
| Coordinates: | 42.8306°N 2.1794°W |
| Elevation M: | 820 |
| Elevation Min M: | 360 |
| Elevation Max M: | 1280 |
| Area Km2: | 13.95 |
Quirbajou (pronounced as /fr/; oc|Quirbajon) is a commune in the Aude department in southern France.