The Diocese of Mina () was a RomanâÂÂBerber civitas and Roman Catholic diocese in Mauretania Caesariensis. It is a Catholic Church titular see.
Mina was a civitas of the Roman province of Mauretania Caesariensis. It has been tentatively identified with ruins near Relizane in modern Algeria. While Mina flourished in late antiquity, it did not last long after the Muslim conquest of the Maghreb.