| Marest-sur-Matz | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr oise marest sur matz.svg |
| Arrondissement: | Compiègne |
| Canton: | Thourotte |
| Insee: | 60378 |
| Postal Code: | 60490 |
| Mayor: | Christian Lepine[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Deux Vallées |
| Coordinates: | 49.5094°N 2.825°W |
| Elevation M: | 50 |
| Elevation Min M: | 36 |
| Elevation Max M: | 131 |
| Area Km2: | 3.25 |
Marest-sur-Matz is a commune in the Oise department in northern France.