The Roman Catholic Diocese of Iguatu (Latin: Dioecesis Iguatuvinus) is a diocese located in the city of Iguatu in the ecclesiastical province of Fortaleza in Brazil.

• January 28, 1961: Established as Diocese of Iguatu from the Diocese of Crateús and Metropolitan Archdiocese of Fortaleza

• Bishop José Mauro Ramalho (1961.10.13 – 2000.07.26)
  • Bishop Coadjutor José Doth de Oliveira (1991–2000)
• Bishop José Doth de Oliveira (2000.07.26 – 2009.01.07)
• Bishop João José da Costa, O. Carm. (2009.01.07 – 2014.11.05)
• Bishop Edson de Castro Homem (2015.05.06 – 2021.02.24)
• Bishop Geraldo Freire Soares, C.SS.R. (2022.05.04 – ...)

• GCatholic.org
• Catholic Hierarchy

6°21′33″S 39°17′55″W / 6.3592°S 39.2987°W / -6.3592; -39.2987