Erquinghem-Lys (French pronunciation: [ɛʁkɛ̃ɡɛm lis]) (Erkegem an de Leie in West Flemish) is a commune situated in the Nord department in northern France.

[3] It is part of the Métropole Européenne de Lille.

Erquinghem is one of a series of villages on the river Lys established by the Viking Rikiwulf in 880 AD at the time of the invasion led by Godfrid, Duke of Frisia: Racquinghem, Reclinghem, Rekkem and Rijkegem (the latter two now in West Flanders - Belgium).

Erquinghem-Lys has been twinned with Skipton, North Yorkshire, England since 24 October 2009.

This Nord geographical article is a stub.