This list of Catholic dioceses and archdioceses of Brazil which includes both the dioceses of the Latin Church, which employ the Latin liturgical rites, and various other dioceses, primarily the eparchies of the Eastern Catholic Churches, which employ various Eastern Christian rites, and which are in full communion with the Pope in Rome.

The Catholic Church in Brazil has a total of 275 particular churches — consisting of 45 archdioceses (which head 45 ecclesiastical provinces), 218 dioceses (2 of which are Eastern eparchies under Latin jurisdiction), 7 territorial prelatures, the Archeparchy of São João Batista em Curitiba and the Eparchy of Imaculada Conceição in Prudentópolis under the Ukrainian Greek Catholic Church, the Armenian Catholic Apostolic Exarchate of Latin America and Mexico, the Ordinariate for the Faithful of Eastern Rites in Brazil, the Military Ordinariate of Brazil, and the Personal Apostolic Administration of Saint John Mary Vianney (the only personal apostolic administration in the world).

These 275 divisions make the largest number of particular churches in any country.

States of Pernambuco, Alagoas, Paraíba and Rio Grande do Norte.

part of the Armenian Catholic Church (Armenian Rite) part of the Eastern particular Ukrainian Greek Catholic Church, using its Ukrainian language Byzantine rite excluding those which were simply promoted to existing ones above Citations