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Archbishops of Medan (Roman rite) • Archbishop
Kornelius Sipayung, OFMCap (8 December 2018 - now) • Archbishop
Anicetus Bongsu Antonius Sinaga, OFMCap (12 February 2009 – 7 December 2018 retired) • Archbishop
Alfred Gonti Pius Datubara, OFMCap (24 May 1976 – 12 February 2009 retired) • Archbishop
Antoine Henri van den Hurk, OFMCap (3 January 1961 – 24 May 1976) • Vicars Apostolic of Medan (Roman Rite) • Bishop Antoine Henri van den Hurk, OFMCap (later Archbishop) (1 January 1955 – 3 January 1961) • Bishop
Mattia Leonardo Trudone Brans, OFMCap (23 December 1941 – 1954) • Vicars Apostolic of Padang (Roman Rite) • Bishop Mattia Leonardo Trudone Brans, OFMCap (18 July 1932 – 23 December 1941) • Prefects Apostolic of Padang (Roman Rite) • Bishop Mattia Leonardo Trudone Brans, OFMCap (22 July 1921 – 18 July 1932) • Prefects Apostolic of Sumatra (Roman Rite) • Fr.
Liberato da Exel, OFMCap (1916 – 1921) • Fr.
Giacomo Cluts, OFMCap (1911 – 1916) ==Suffragan dioceses==