Roman Catholic Diocese of Grajaú

The Roman Catholic Diocese of Grajaú (Dioecesis Graiahuensis) is a diocese located in the city of Grajaú in the ecclesiastical province of São Luís do Maranhão in Brazil.

History

 * 10 February 1922: Established as territorial prelature of São José do Grajaú from the Archdiocese of São Luís do Maranhão
 * 4 August 1981: Promoted as Diocese of São José do Grajaú
 * 9 October 1984: Renamed as Diocese of Grajaú

Ordinaries, in reverse chronological order

 * Bishops of Grajaú (Roman rite), below
 * Bishop Franco Cuter, OFMCap (1998.01.21 – 2016.12.07)
 * Bishop Serafino Faustino Spreafico, OFMCap (1987.05.13 – 1995.11.02)
 * Bishop Tarcísio Sebastião Batista Lopes, OFMCap (1984.10.08 – 1986.12.19), continuing when diocese was renamed; appointed Bishop of Ipameri, Goias
 * Bishops of São José do Grajaú (Roman Rite), below
 * Bishop Tarcísio Sebastião Batista Lopes, OFMCap (1984.04.04 – 1984.10.08); diocese renamed
 * Bishop Valenti Giacomo Lazzeri, OFMCap (1981.08.04 – 1983.01.06)
 * Prelates of São José do Grajaú (Roman Rite), below
 * Bishop Valenti Giacomo Lazzeri, OFMCap (1971.05.18 – 1981.08.04)
 * Bishop Adolfo Luís Bossi, OFMCap (1966.02.19 – 1970.08.22)
 * Bishop Emiliano José Lonati, OFMCap (1930.01.10 – 1966.02.19)
 * Bishop Roberto Julio Colombo, OFMCap (1924.12.18 – 1927.11.08)
 * Fr. Roberto de Castellanza, OFMCap. (Apostolic Administrator 1922 – 1924)

Coadjutor bishop

 * Adolfo Luís Bossi, OFMCap (1958-1966)