The Diocese of San Leone (Latin: Dioecesis Sancti Leonis) was a Latin Church ecclesiastical jurisdiction or diocese of the Catholic Church located in the Italian town of San Leone in Calabria.
In 1547, it was suppressed to the Archdiocese of Trani.
[1][2] It was restored as a titular see in 1966.
[2] Erected: 1322 Latin Name: Sancti Leonis Metropolitan: Archdiocese of Santa Severina 27 November 1571: Suppressed to the Archdiocese of Santa Severina