| Daillecourt | |
| Commune Status: | Commune |
| Arrondissement: | Chaumont |
| Canton: | Bourbonne-les-Bains |
| Insee: | 52161 |
| Postal Code: | 52240 |
| Mayor: | Annick Masson[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Grand Langres |
| Coordinates: | 48.0767°N 5.505°W |
| Elevation M: | 385 |
| Area Km2: | 7.37 |
Daillecourt (in French pronounced as /dajkuʁ/) is a commune in the Haute-Marne département in north-eastern France.