| Bayenghem-lès-Éperlecques | |
| Native Name: | Baaiengem |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason ville fr Bayenghem-lès-Éperlecques (Pas-de-Calais).svg |
| Arrondissement: | Saint-Omer |
| Canton: | Saint-Omer |
| Insee: | 62087 |
| Postal Code: | 62910 |
| Mayor: | Jean-Michel Bouhin[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Pays de Saint-Omer |
| Coordinates: | 50.8078°N 2.125°W |
| Elevation M: | 55 |
| Elevation Min M: | 12 |
| Elevation Max M: | 92 |
| Area Km2: | 4.51 |
Bayenghem-lès-Éperlecques (in French pronounced as /bajɑ̃ɡɑ̃ lɛ.z‿epɛʁlɛk/, literally Bayenghem near Éperlecques; Baaiengem) is a commune in the Pas-de-Calais department in the Hauts-de-France region in northern France.[2]
The village is located some 13km (08miles) northwest of Saint-Omer, on the D221 road, close to the D943and the A16 autoroute.