| Fessanvilliers-Mattanvilliers | |
| Commune Status: | Commune |
| Arrondissement: | Dreux |
| Canton: | Saint-Lubin-des-Joncherets |
| Insee: | 28151 |
| Postal Code: | 28270 |
| Mayor: | Eric Depuydt[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Dreux |
| Coordinates: | 48.7131°N 1.0472°W |
| Elevation M: | 174 |
| Elevation Min M: | 159 |
| Elevation Max M: | 188 |
| Area Km2: | 11.63 |
Fessanvilliers-Mattanvilliers (pronounced as /fr/) is a commune in the Eure-et-Loir department in northern France.