The University of the Littoral Opal Coast (French: Université du Littoral Côte d'Opale; ULCO) is a public university located in the Nord and Pas-de-Calais departments of northern France.

The university is situated on 4 main campuses in the towns of Boulogne-sur-Mer, Calais, Dunkirk, and Saint-Omer.

[7] ULCO offers bachelors, vocational bachelors, masters, and doctoral degrees in business, economics, engineering, education, history, languages, law, literature, mathematics, life sciences, natural sciences, social sciences, and technology, as well as BUT and DEUST certifications.

[8][9][10][11] The university conducts substantial research in relation to environmental protection, sustainable development, the Opal Coast, and coastal environments.

There is also research activity related to human and social sciences, technology, and health.