Cubda was an ancient city in Tunisia. It is a titular bishopric of the Roman Catholic Church.
The town was an ancient bishopric, centered in an unknown city, probably of the same name. It was situated in the Roman province of Africa Proconsularis, now northern Tunisia.
The church records tell of only 2 known bishops of this diocese.
Cubda survives today as a titular bishopric of the Roman Catholic Church, and the current bishop is EfraÃÂn Mendoza Cruz, of Mexico, who replaced José MarÃÂa Izuzquiza Herranz in 2011.