The Roman Catholic Diocese of Guarapuava (Latin: Dioecesis Guarapuavensis) is a diocese located in the city of Guarapuava in the ecclesiastical province of Curitiba in Brazil.

• December 16, 1965: Established as Diocese of Guarapuava from the Diocese of Campo Mourão, Diocese of Ponta Grossa and Diocese of Toledo

• Bishops of Guarapuava (Roman rite)
  • Bishop Friedrich Helmel, S.V.D. (1966.03.19 – 1986.09.27)
  • Bishop Albano Bortoletto Cavallin (1986.10.24 – 1992.03.11), appointed Archbishop of Londrina, Parana
  • Bishop Giovanni Zerbini, S.D.B. (1995.01.11 – 2003.07.02)
  • Bishop Antônio Wagner da Silva, S.C.J. (2003.07.02 – 2020.05.06)
  • Bishop Amilton Manoel da Silva, C.P. (2020.05.06 - present)

• Antônio Wagner da Silva, S.C.I. (2000-2003)

• GCatholic.org
• Catholic Hierarchy
• Diocese website (Portuguese)