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