Main article: Roman Catholic Archdiocese of Cagayan de Oro
Roman Catholicism is the city's dominant religion, represented by almost 70 percent of the population. It is administered by the Archdiocese of Cagayan de Oro, which comprises the three civil provinces of Misamis Oriental, Bukidnon, and Camiguin in Northern Mindanao, as well as the entire Caraga region. It is a metropolitan seat on the island of Mindanao.