The Roman Catholic Diocese of Ondjiva (Latin: Dioecesis Ondiivanus) is a diocese located in the city of Ondjiva in the ecclesiastical province of Lubango in Angola.

• August 10, 1975: Established as Diocese of Pereira de Eça from the Diocese of Nova Lisboa and Diocese of Sá da Bandeira
• May 16, 1979: Renamed as Diocese of Ondjiva

The Cathedral of the diocese is Sé Catedral de Nossa Senhora das Vitórias (Cathedral Church of Our Lady of Victories) in Ondjiva.

• Bishops of Ondjiva (Roman rite), in reverse chronological order
  • Bishop Pio Hipunyati (since Nov 23, 2011)
  • Bishop Fernando Guimarães Kevanu (Jan 30, 1988 - Nov 23, 2011)

• Dionísio Hisiilenapo, appointed Bishop of Namibe in 2011
• Leopoldo Ndakalako, appointed Bishop of Menongue in 2019

• Roman Catholicism in Angola

• GCatholic.org

17°03′59″S 15°43′35″E / 17.0665°S 15.7264°E / -17.0665; 15.7264