The Roman Catholic Diocese of Dedza (Latin: Dedzaën(sis)) is a diocese in the city of Dedza, in the ecclesiastical province of Lilongwe in Malawi.

• 1956-04-29: Established as Apostolic Vicariate of Dedza from the Apostolic Vicariate of Likuni and Apostolic Vicariate of Zomba
• 1959-04-25: Promoted as Diocese of Dedza

• Vicar Apostolic of Dedza (Roman rite)
  • Bishop Cornelius Chitsulo (1956-11-09 – 1959-04-25 see below)
• Bishops of Dedza (Roman rite)
  • Bishop Cornelius Chitsulo (see above 1959-04-25 – 1984-02-28)
  • Bishop Gervazio Moses Chisendera (1984-06-25 – 2000-09-07)
  • Bishop Rémi Joseph Gustave Sainte-Marie, M. Afr. (2000-09-07 – 2006-02-18), appointed Coadjutor Bishop of Lilongwe
  • Bishop Emmanuele Kanyama (2007-07-04 – 2018-02-17)
  • Bishop Peter Adrian Chifukwa (2021.05.08 – ...)

• Rémi Joseph Gustave Sainte-Marie, M. Afr. (1998-2000), appointed Bishop here
• Tarcisius Gervazio Ziyaye (1991-1993), appointed Coadjutor Bishop of Lilongwe

• Stanislaus Tobias Magombo, appointed auxiliary bishop of Lilongwe in 2009

• Roman Catholicism in Malawi

• GCatholic.org
• Catholic Hierarchy

14°21′20″S 34°25′40″E / 14.3555°S 34.4278°E / -14.3555; 34.4278