(d. before 450),
author of the Commonitorium. After a period in secular employment, he became a monk at Lérins. It is generally thought that he opposed the teaching of St Augustine on predestination and was probably the object of one of Prosper of Aquitaine's controversial writings. His own Commonitorium was designed to provide a guide to the determination of the Catholic faith; it embodies the famous ‘Vincentian canon’. Despite his emphasis on tradition, he held that Scripture was the final ground of Christian truth, and that the authority of the Church was to be invoked only to guarantee its right interpretation. Feast day, 24 May.