The Roman Catholic Diocese of Singida (Latin: Dioecesis Singidaënsis) is a diocese located in Singida in the ecclesiastical province of Dodoma in Tanzania.

• 1972.03.25: Established as Diocese of Singida from the Diocese of Dodoma, Metropolitan Archdiocese of Tabora and Diocese of Mbeya

• Bishops of Singida (Roman rite)
  • Bishop Bernard Mabula (March 25, 1972 – April 19, 1999)
  • Bishop Desiderius Rwoma (April 19, 1999 - January 15, 2013), appointed Bishop of Bukoba
  • Bishop Edward Elias Mapunda (28 April 2015 – present)

• Roman Catholicism in Tanzania

5°30′S 34°30′E / 5.5°S 34.5°E / -5.5; 34.5