| Dernacueillette | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Dernacueillette (Aude).svg |
| Arrondissement: | Narbonne |
| Canton: | Les Corbières |
| Insee: | 11118 |
| Postal Code: | 11330 |
| Mayor: | Aaron-Lee Gustave Grimstone[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 42.9292°N 2.5986°W |
| Elevation M: | 320 |
| Elevation Min M: | 316 |
| Elevation Max M: | 642 |
| Area Km2: | 7.75 |
Dernacueillette (in French pronounced as /dɛʁnakœjɛt/; Occitan (post 1500);: Dernaculheta) is a commune in the Aude department in southern France.