| Praslay | |
| Commune Status: | Commune |
| Arrondissement: | Langres |
| Canton: | Villegusien-le-Lac |
| Insee: | 52403 |
| Postal Code: | 52160 |
| Mayor: | Sophie Salihi[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Auberive Vingeanne et Montsaugeonnais |
| Coordinates: | 47.7411°N 5.1058°W |
| Elevation M: | 396 |
| Elevation Min M: | 353 |
| Elevation Max M: | 486 |
| Area Km2: | 11.28 |
Praslay (in French pronounced as /pʁalɛ/) is a commune in the Haute-Marne department in north-eastern France.