The Brazilian Catholic Apostolic Church (, , ICAB) is an independent Catholic Christian church established in 1945 by excommunicated Brazilian Catholic bishop Carlos Duarte Costa. The Brazilian Catholic Apostolic Church is the largest independent Catholic church in Brazil, with 560,781 members as of 2010, and 26 dioceses as of 2021; internationally, it has an additional 6 dioceses and 6 provinces. It is governed by a president bishop and the Episcopal Council. Its current president of the Episcopal Council is Josivaldo Pereira de Oliveira. The church's administration is in Brasilia, Brazil.