| Billy-Berclau | |
| Commune Status: | Commune |
| Image Coat Of Arms: | Blason Billy-Berclau.svg |
| Arrondissement: | Béthune |
| Canton: | Douvrin |
| Insee: | 62132 |
| Postal Code: | 62138 |
| Mayor: | Stève Bossart[1] |
| Term: | 2020 - 2026 |
| Intercommunality: | CA Béthune-Bruay, Artois-Lys Romane |
| Coordinates: | 50.5197°N 2.8683°W |
| Elevation M: | 24 |
| Elevation Min M: | 17 |
| Elevation Max M: | 27 |
| Area Km2: | 7.41 |
Billy-Berclau (in French pronounced as /bili bɛʁklo/; Bili-Bérclo) is a commune in the Pas-de-Calais department in the Hauts-de-France region in northern France.[2]
A small town 10miles east of Béthune and 12miles southwest of Lille, at the junction of the D163 and N47 roads. It is situated at the junction of the Canal de la Deûle and the Canal d'Aire. Light industry and a little farming have replaced the coal mining of the past.
The town was completely destroyed during World War I. On 27 March 2003, an explosion at the dynamite factory killed four people.