| Rosendaël | |
| Image Coat Of Arms: | Coat of Arms of Rosendaël.svg |
| Arrondissement: | Dunkirk |
| Canton: | Dunkerque-2 |
| Insee: | 59510 |
| Postal Code: | 59240 |
| Commune: | Dunkirk |
| Coordinates: | 51.0413°N 2.4037°W |
| Area Km2: | 3.97 |
| Population: | 18272 |
| Population Date: | 1999 |
Rosendaël (in French pronounced as /ʁozɑ̃dal/; Dutch; Flemish: Rozendaal; Rozendoale; French Flemish: Roozendaele; meaning "rose valley") is a former commune in the Nord department in northern France. In 1971 it was merged into Dunkirk. It currently has 18,272 inhabitants (an almost ten-fold increase since 1825) in an area of 3.97 km2.
Rosendaël also has its own flag, Barry of 6 gules and vert