| Marchezais | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Marchezais (Eure-et-Loir).svg |
| Arrondissement: | Dreux |
| Canton: | Anet |
| Insee: | 28235 |
| Postal Code: | 28410 |
| Mayor: | Jérôme Depondt[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Dreux |
| Coordinates: | 48.7731°N 1.5089°W |
| Elevation M: | 138 |
| Elevation Min M: | 132 |
| Elevation Max M: | 139 |
| Area Km2: | 2.19 |
Marchezais (in French pronounced as /maʁʃəzɛ/) is a commune in the Eure-et-Loir department in northern France.