| Roy-Boissy | |
| Commune Status: | Commune |
| Arrondissement: | Beauvais |
| Canton: | Grandvilliers |
| Insee: | 60557 |
| Postal Code: | 60690 |
| Mayor: | Nadine Pétigny[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Picardie Verte |
| Coordinates: | 49.5836°N 1.9239°W |
| Elevation M: | 150 |
| Elevation Min M: | 111 |
| Elevation Max M: | 182 |
| Area Km2: | 10.96 |
Roy-Boissy (in French pronounced as /ʁwa bwasi/) is a commune in the Oise department in northern France.