The Roman Catholic Diocese of Sanggau () is a diocese located in the city of Sanggau in the ecclesiastical province of Pontianak in Indonesia.
History 9 April 1968: Established as the Apostolic Prefecture of Sekadau from the Metropolitan Archdiocese of Pontianak and Diocese of Ketapang 8 June 1982: Promoted as Diocese of Sanggau
Leadership Bishops of Sanggau (Roman rite) Bishop Valentinus Saeng, C.P. (18 June 2022 – present) Bishop Giulio Mencuccini, C.P. (22 January 1990 – 18 June 2022) Prefects Apostolic of Sekadau (Roman Rite) Fr. Domenico Luca Spinosi, C.P. (1 September 1972 – 1982) Fr. Michael Di Simone, C.P. (31 July 1968 – 1972)
References GCatholic.org Catholic Hierarchy