| Frelinghien | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Frelinghien (Nord).svg |
| Arrondissement: | Lille |
| Canton: | Armentières |
| Insee: | 59252 |
| Postal Code: | 59236 |
| Mayor: | Marie-Christine Fin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Métropole Européenne de Lille |
| Coordinates: | 50.7125°N 2.935°W |
| Elevation M: | 18 |
| Elevation Min M: | 14 |
| Elevation Max M: | 20 |
| Area Km2: | 11.27 |
Frelinghien (in French pronounced as /fʁəlɛ̃ɡjɛ̃/; Dutch; Flemish: Ferlingen) is a commune in the Nord department in northern France. It is part of the Métropole Européenne de Lille.[2]