University of the Littoral Opal Coast (Université du Littoral Côte d'Opale), also known as ULCO, is a French university, based in Dunkerque. It reports to the Academy of Lille and is a member of the European Doctoral College Lille-Nord-Pas de Calais.

ULCO is situated in Pas-de-Calais, in the north of France, north west of Lille. The full name is "Université du Littoral - Côte d'Opale". The university is divided in four parts, in four cities:

Boulogne sur Mer

Calais

Dunkerque

Saint-Omer

It was created in 1991; the first year of studies was in 1992. Several degrees are granted there, and the university was integrated in the European Space of Higher Education in 2004 (Bologna Process).

• LMPA, Université du Littoral Côte d’Opale

• University of the Littoral Opal Coast