| Précy-le-Sec | |
| Commune Status: | Commune |
| Coordinates: | 47.5942°N 3.8333°W |
| Insee: | 89312 |
| Postal Code: | 89440 |
| Arrondissement: | Avallon |
| Canton: | Joux-la-Ville |
| Mayor: | Arnaud Rosier[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 135 |
| Elevation Max M: | 311 |
| Area Km2: | 15.76 |
Précy-le-Sec (in French pronounced as /pʁesi lə sɛk/) is a commune in the Yonne department in Bourgogne-Franche-Comté in north-central France.