The Roman Catholic Diocese of Penedo (Latin: Dioecesis Penedensis) is a diocese located in the city of Penedo in the ecclesiastical province of Maceió in Brazil.

• April 3, 1916: Established as Diocese of Penedo from the Diocese of Alagôas

• Bishops of Penedo (Roman rite), in reverse chronological order
  • Bishop Valdemir Ferreira dos Santos (2021.08.18 – ...)
  • Bishop Valério Breda, S.D.B. (1997.07.30 – 2020.06.16)
  • Bishop Constantino José Lüers, O.F.M. (1976.03.24 – 1994.01.26)
  • Bishop José Terceiro de Sousa (1957.11.09 – 1976.03.24)
  • Bishop Felix César da Cunha Vasconcellos, O.F.M. (1949.03.30 – 1957.04.03), appointed Coadjutor Archbishop of Florianópolis, Santa Catarina
  • Bishop Fernando Gomes dos Santos (1943.01.09 – 1949.02.01), appointed Bishop of Aracajú; future Archbishop
  • Bishop Jonas de Araújo Batinga (1918.01.28 – 1940.07.30)

• GCatholic.org
• Catholic Hierarchy