The Roman Catholic Diocese of Ketapang (Latin: Ketapangen(sis)) is a diocese located in the city of Ketapang in the ecclesiastical province of Pontianak in Indonesia.

• 14 June 1954: Established as the Apostolic Prefecture of Ketapang from the Apostolic Vicariate of Pontianak
• 3 January 1961: Promoted as Diocese of Ketapang

• Bishops of Ketapang (Roman rite)
  • Bishop Pius Riana Prapdi (9 September 2012 – present)
  • Bishop Blasius Pujoraharja (15 March 1979 – 25 June 2012)
  • Bishop Gabriel W. Sillekens, C.P. (3 January 1961 – 15 March 1979)
• Prefects Apostolic of Ketapang (Roman Rite)
  • Fr. Gabriel W. Sillekens, C.P. (later Bishop) (25 August 1954 – 3 January 1961)

• GCatholic.org
• Catholic Hierarchy

1°51′11″S 109°58′14″E / 1.8531°S 109.9706°E / -1.8531; 109.9706