The Roman Catholic Diocese of Barreiras () is a diocese located in the city of Barreiras in the ecclesiastical province of Feira de Santana in Brazil.
History May 21, 1979: Established as Diocese of Barreiras from the Diocese of Barra
Bishops Bishops of Barreiras (Latin rite) Ricardo José Weberberger, O.S.B. (21 May 1979 – 17 August 2010) Josafa Menezes da Silva (15 December 2010 – 9 October 2019), appointed Archbishop of Vitória da Conquista, Bahia Moacir Silva Arantes (21 October 2020 – Present)
Other priests of this diocese who became bishops Paulo Romeu Dantas Bastos, appointed Bishop of Alagoinhas, Bahia in 2002 Eraldo Bispo da Silva, appointed Bishop of Patos, Paraiba in 2012
References GCatholic.org Catholic Hierarchy Diocese website (Portuguese)