Ceratus of Grenoble
Saint Ceratus of Grenoble was a 5th-century bishop of Gratianopolis, now Grenoble. He is venerated as a saint by the Roman Catholic Church; his feast day is celebrated on 6 June.
He is commemorated in the placename Rue Saint-Cérat in Éauze.
In the Martyrology
- June 6 Saint Cérat, bishop of Grenoble