| Guiry-en-Vexin | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Guiry-en-Vexin (Val-d'Oise).svg |
| Coordinates: | 49.1094°N 1.8506°W |
| Arrondissement: | Pontoise |
| Canton: | Vauréal |
| Mayor: | Michel Cathala[1] |
| Term: | 2020 - 2026 |
| Elevation Min M: | 89 |
| Elevation Max M: | 154 |
| Area Km2: | 6.16 |
| Insee: | 95295 |
| Postal Code: | 95450 |
Guiry-en-Vexin (in French pronounced as /ɡiʁi ɑ̃ vɛksɛ̃/, literally Guiry in Vexin) is a commune in the Val-d'Oise department in Île-de-France in northern France.