| Thiennes | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Thiennes (Nord).svg |
| Arrondissement: | Dunkerque |
| Canton: | Hazebrouck |
| Insee: | 59590 |
| Postal Code: | 59189 |
| Mayor: | Eddie Boulier[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | Flandre Intérieure |
| Coordinates: | 50.6525°N 2.4678°W |
| Elevation M: | 20 |
| Elevation Min M: | 15 |
| Elevation Max M: | 37 |
| Area Km2: | 7.54 |
| Demonym: | Thiennois(es) |
Thiennes (pronounced as /fr/) is a commune in the Nord department in northern France.[2]