The Roman Catholic Diocese of Shinyanga (Latin: Dioecesis Shinyangaënsis) is a diocese located in Shinyanga in the ecclesiastical province of Mwanza in Tanzania.

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• June 24, 1950: Established as Apostolic Vicariate of Maswa from the Apostolic Vicariate of Musoma-Maswa
• March 25, 1953: Promoted as Diocese of Maswa
• August 9, 1956: Renamed as Diocese of Shinyanga

• Bishops of Shinyanga (Roman rite)
  • Bishop Edward Aloysius McGurkin, M.M. (1956.07.04 – 1975.01.30)
  • Bishop Castor Sekwa (1975.01.30 – 1996.06.04)
  • Bishop Aloysius Balina (1997.08.08 - 2012.11.06); died in office
  • Bishop Liberatus Sangu (2015.02.02 - present)

• Roman Catholicism in Tanzania