| Mardyck | |
| Image Flag: | Drapeau de la commune de Mardyck (59) Nord-France.svg |
| Image Coat Of Arms: | Blason de la ville de Mardyck 1989 (2)(59) Nord-France.svg |
| Arrondissement: | Dunkerque |
| Canton: | Grande-Synthe |
| Insee: | 59380 |
| Postal Code: | 59279 |
| Type: | Associated commune |
| Commune: | Dunkerque |
| Coordinates: | 51.0194°N 2.2506°W |
| Area Km2: | 8.69 |
| Population: | 292 |
| Population Date: | 2019 |
| Population Footnotes: | [1] |
Mardyck (Dutch: Mardijk, vls|Mardyk) is a former commune in the Nord department in northern France. It is an associated commune with Dunkirk since it joined the latter in January 1980.[2]
The arms of Mardyck are blazoned: Azure, standing in a boat Or, St. Nicolas vested argent and Or, with mitre and crozier Or, with 3 children at his feet.