The Roman Catholic Diocese of Barra do Piraí–Volta Redonda () is a diocese located in the cities of Barra do Piraí and Volta Redonda in the ecclesiastical province of São Sebastião do Rio de Janeiro in Brazil.
History 4 December 1922: Established as Diocese of Barra do Piraí from the Diocese of Niterói 26 January 1965: Renamed as Diocese of Barra do Piraí–Volta Redonda
Bishops Bishops of Barra do Piraí (Latin Rite) Guilherme Müller (1925.12.14 – 1935.12.11) José André Coimbra (1938.02.26 – 1955.06.08), appointed Bishop of Patos de Minas, Minas Gerais Agnelo Rossi (1956.03.05 – 1962.09.06), appointed Archbishop of Ribeirão Preto, São Paulo; future Cardinal Altivo Pacheco Ribeiro (1963.04.04 – 1965.01.26) Bishops of Barra do Piraí-Volta Redonda (Latin Rite) Altivo Pacheco Ribeiro (1965.01.26 – 1966.06.27), appointed Bishop of Araçuaí (Arassuaí), Minas Gerais Waldyr Calheiros Novaes (1966.10.20 – 1999.11.17) João Maria Messi, O.S.M. (1999.11.17 – 2011.06.08, retired) Francesco Biasin (2011.06.08 – 2013.03.13) Luiz Henrique da Silva Brito (2013.03.13 - present)
Auxiliary bishop Vital João Geraldo Wilderink, O. Carm. (1978-1980), appointed Bishop of Itaguaí, Rio de Janeiro
References GCatholic.org Catholic Hierarchy Diocese website (Portuguese)