The Roman Catholic Diocese of Masaka (Latin: Masakaën(sis)) is a diocese located in the city of Masaka in the ecclesiastical province of Kampala in Uganda.

• May 25, 1939: Established as Apostolic Vicariate of Masaka from the Apostolic Vicariate of Uganda
• March 25, 1953: Promoted as Diocese of Masaka

• Vicar Apostolic of Masaka (Roman rite)
  • Bishop Joseph Kiwánuka, M. Afr. R.I.P. (1939.05.25 – 1953.03.25 see below)
• Bishops of Masaka (Roman rite)
  • Bishop Joseph Kiwánuka, M. Afr. R.I.P. (see above 1953.03.25 – 1960.12.20), appointed Archbishop of Rubaga
  • Bishop Adrian Kivumbi Ddungu R.I.P. (1961.11.11 – 1998.01.10)
  • Bishop John Baptist Kaggwa R.I.P. (1998.01.10 - 2019.04.16)
  • Bishop Serverus Jjumba (Episcopal ordination on 6 July 2019) Former appointments: Bukalasa Seminary, Diocesan Treasury, Vicar General and finally elected Bishop of Masaka Diocese and pronounced publicly by the Holy See on 16 April 2019 at 2pm (EAT).

Edited by Joseph Kasekende and Morris Kayanja, Theologians at National Seminary Ggaba-Uganda.

• John Baptist Kaggwa (1994-1998)

• Henry Apaloryamam Ssentongo (1988-1992), appointed Bishop of Moroto

• Emmanuel Wamala, appointed Bishop of Kiyinda-Mityana in 1981; future Cardinal

• Roman Catholicism in Uganda
• Masaka

• catholic-hierarchy

• GCatholic.org
• Catholic Hierarchy

0°19′53″S 31°45′38″E / 0.3313°S 31.7606°E / -0.3313; 31.7606