| Bishops of Grajaú (Roman Rite) |
 Bishop Giuseppe Luigi Spiga (53)
(2025.02.17 – ...)
Bishop of Grajaú (Brazil)
Misit me servire | Born: | 1972.07.29 (Serramanna, Italy) | | Ordained Priest: | 1998.10.03 | | Consecrated Bishop: | 2025.05.18 |
| Priest of Cagliari (Italy) (1998.10.03 – 2025.02.17) Bishop of Grajaú (Brazil) (2025.02.17 – ...) |
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Bishop Rubival Cabral Britto, O.F.M. Cap. (56)
(2016.12.07 – 2024.03.13) Bishop of Bom Jesus da Lapa (Brazil)
Ad serviendam misericordiam | Born: | 1969.07.21 (Jaguaquara, BA, Brazil) | | Ordained Priest: | 2000.12.17 | | Consecrated Bishop: | 2017.02.11 |
| Bishop of Grajaú (Brazil) (2016.12.07 – 2024.03.13) Bishop of Bom Jesus da Lapa (Brazil) (2024.03.13 – ...) |
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Bishop Franco Cuter, O.F.M. Cap.
(1998.01.21 – 2016.12.07) Ipse est pax nostra | Born: | 1940.07.28 (Gazzaniga, Italy) | | Ordained Priest: | 1966.03.26 | | Consecrated Bishop: | 1998.03.19 | | Died: | 2019.09.28 (Varese, Italy † 79) |
| Bishop of Grajaú (Brazil) (1998.01.21 – 2016.12.07) |
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 Bishop Serafino Faustino Spreafico, O.F.M. Cap. (86)
(1987.05.13 – 1995.11.02)
Bishop emeritus of Grajaú (Brazil)
Vem, Senhor Jesus | Born: | 1939.07.11 (Busnago, Italy) | | Ordained Priest: | 1966.03.23 | | Consecrated Bishop: | 1987.07.12 |
| Bishop of Grajaú (Brazil) (1987.05.13 – 1995.11.02) |
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Bishop Tarcísio Sebastião Batista Lopes, O.F.M. Cap.
(1984.04.04 – 1986.12.19) | Born: | 1938.01.18 (São João del Rei, MG, Brazil) | | Ordained Priest: | 1964.06.28 | | Consecrated Bishop: | 1984.05.14 | | Died: | 2001.11.07 († 63) |
| Bishop of Grajaú (Brazil) (1984.04.04 – 1986.12.19) Bishop of Ipameri (Brazil) (1986.12.19 – 1998.07.29) |
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| Bishops of São José do Grajaú (Roman Rite) |
Bishop Valenti Giacomo Lazzeri, O.F.M. Cap.
(1981.08.04 – 1983.01.06) | Born: | 1925.01.03 (Cologno al Serio, Italy) | | Ordained Priest: | 1950.03.04 | | Consecrated Bishop: | 1971.07.25 | | Died: | 1983.01.06 († 58) |
| Titular Bishop of Castellum Tatroportus (1971.05.18 – 1978.05.26) Bishop-Prelate of São José do Grajaú (Brazil) (1971.05.18 – 1981.08.04) Bishop of São José do Grajaú (Brazil) (1981.08.04 – 1983.01.06) |
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| Prelates of São José do Grajaú (Roman Rite) |
Bishop Valenti Giacomo Lazzeri, O.F.M. Cap.
(1971.05.18 – 1981.08.04) (see above) |
Bishop Adolfo Luís Bossi, O.F.M. Cap.
(1966.02.19 – 1970.08.22) | Born: | 1908.06.23 (Sesto San Giovanni, Italy) | | Ordained Priest: | 1933.07.23 | | Consecrated Bishop: | 1958.09.14 | | Died: | 2002.05.08 (Bergamo, Italy † 93) |
| Coadjutor Bishop-Prelate of São José do Grajaú (Brazil) (1958.06.18 – 1966.02.19) Titular Bishop of Parnassus (1958.06.18 – 2002.05.08) Bishop-Prelate of São José do Grajaú (Brazil) (1966.02.19 – 1970.08.22) |
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Bishop Emiliano José Lonati, O.F.M. Cap.
(1930.01.10 – 1966.02.19) | Born: | 1886.02.03 (Brescia, Italy) | | Ordained Priest: | 1913.08.06 | | Consecrated Bishop: | 1930.06.08 | | Died: | 1971.09.29 († 85) |
| Bishop-Prelate of São José do Grajaú (Brazil) (1930.01.10 – 1966.02.19) Titular Bishop of Epiphania in Cilicia (1930.01.10 – 1971.09.29) |
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Bishop Roberto Julio Colombo, O.F.M. Cap.
(1924.12.18 – 1927.11.08) | Born: | 1870.02.21 (Italy) | | Ordained Priest: | 1894.05.19 | | Consecrated Bishop: | 1925.05.03 | | Died: | 1927.11.08 († 57) |
| Bishop-Prelate of São José do Grajaú (Brazil) (1922.09.15 – 1924.12.18) Titular Bishop of Camachus (1924.12.18 – 1927.11.08) Bishop-Prelate of São José do Grajaú (Brazil) (1924.12.18 – 1927.11.08) |
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Bishop-elect Roberto Julio Colombo, O.F.M. Cap.
(1922.09.15 – 1924.12.18) (see above) |
Catedral Senhor do Bonfim, Grajaú, Maranhão 
