| Mareuil-le-Port | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Mareuil-le-Port 51.svg |
| Arrondissement: | Épernay |
| Canton: | Dormans-Paysages de Champagne |
| Insee: | 51346 |
| Postal Code: | 51700 |
| Mayor: | Olivier Veaux[1] |
| Term: | 2020 - 2026 |
| Coordinates: | 49.0833°N 3.7453°W |
| Elevation M: | 68 |
| Area Km2: | 8.96 |
Mareuil-le-Port (in French pronounced as /maʁœj lə pɔʁ/) is a commune in the Marne department in north-eastern France.