The Roman Catholic Diocese of Cajazeiras (Latin: Dioecesis Caiazeirasensis) is a diocese located in the city of Cajazeiras in the ecclesiastical province of Paraíba in Brazil.

• 6 February 1914: Established as Diocese of Cajazeiras from the Diocese of Paraíba

• Bishops of Cajazeiras (Roman rite), in reverse chronological order
  • Bishop Francisco de Sales Alencar Batista, O. Carm. (September 14, 2016 – present)
  • Bishop José Gonzalez Alonso (20 June 2001 – 16 September 2015)
  • Bishop Matias Patrício de Macêdo (12 July 1990 - 12 July 2000), appointed Coadjutor Bishop of Campina Grande, Paraiba; future Archbishop
  • Bishop Zacarias Rolim de Moura (27 April 1953 – 12 July 1990)
  • Bishop Luis do Amaral Mousinho (30 August 1948 – 18 March 1952), appointed Bishop of Ribeirão Preto; future Archbishop
  • Bishop Henrique Gelain (29 July 1944 – 22 May 1948), appointed Bishop of Cafelândia
  • Bishop José da Matha de Andrade y Amaral (24 March 1934 – 12 May 1941), appointed Bishop of Amazonas
  • Bishop Moisés Ferreira Coelho (later Archbishop) (16 November 1914 – 12 February 1932), appointed Coadjutor Archbishop of Paraíba

• GCatholic.org
• Diocese website (Portuguese)

6°53′13″S 38°33′28″W / 6.8869°S 38.5577°W / -6.8869; -38.5577