The Roman Catholic Archdiocese of Diamantina (Latin: Archidioecesis Adamantina) is an archdiocese located in the city of Diamantina, Minas Gerais in Brazil.

• June 6, 1854: Established as Diocese of Diamantina from the Diocese of Mariana
• June 28, 1917: Promoted as Metropolitan Archdiocese of Diamantina

• Minor Basilicas:
  • Basílica Sagrado Coração de Jesus, Diamantina
  • Basílica São Geraldo Majela, Curvelo

• Archbishops of Diamantina (Roman rite)
  • Archbishop Darci José Nicioli (2016.03.09 - Present)
  • Archbishop João Bosco Oliver de Faria (2007.05.30 – 2016.03.09)
  • Archbishop Paulo Lopes de Faria (1997.05.14 – 2007.05.30)
  • Archbishop Geraldo Majela Reis (1981.02.03 – 1997.05.14)
  • Archbishop Geraldo de Proença Sigaud, S.V.D. (1960.12.20 – 1980.09.10)
  • Archbishop José Newton de Almeida Baptista (1954.01.05 – 1960.03.12)
  • Archbishop Serafim Gomes Jardim da Silva (1934.05.26 – 1953.10.28)
  • Archbishop Joaquim Silvério de Souza (1917.06.28 – 1933.08.30)
• Bishops of Diamantina (Roman Rite)
  • Archbishop (personal title) Joaquim Silvério de Souza (1910.01.25 – 1917.06.28)
  • Bishop Joaquim Silvério de Souza (later Archbishop) (1905.05.05 – 1909.01.29)
  • Bishop João Antônio dos Santos (1863.09.28 – 1905.05.17)

• Joaquim Silvério de Souza (1901-1905)
• Paulo Lopes de Faria (1995-1997)

• Antônio José dos Santos, C.M. (1918-1929), appointed Bishop of Assis, São Paulo
• Carlos Carmelo de Vasconcellos Motta (1932-1935), appointed Archbishop of São Luís do Maranhão; future Cardinal
• João de Souza Lima, O. Cist. (1949-1955), appointed Bishop of Nazaré, Pernambuco

• Cyrillo de Paula Freitas, appointed Coadjutor Bishop of Cuiabá in 1905
• João Antônio Pimenta, appointed Coadjutor Bishop of São Pedro do Rio Grande do Sul in 1906
• Lúcio Antunes de Souza, appointed Bishop of Botucatu in 1908
• Nunes de Ávila e Silva, appointed Bishop of Taubaté, São Paulo in 1909
• João de Almeida Ferrão (Terra), appointed Bishop of Campanha, Minas Gerais in 1909
• Manuel Nunes Coelho, appointed Bishop of Aterrado in 1920
• José André Coimbra, appointed Bishop of Barra do Piraí in 1938
• Serafim Fernandes de Araújo, appointed Auxiliary Bishop of Belo Horizonte, Minas Gerais in 1959; future Cardinal
• Leonardo de Miranda Pereira, appointed Bishop of Paracatu, Minas Gerais in 1986
• José Aristeu Vieira, appointed Bishop of Luz, Minas Gerais in 2015
• Lindomar Rocha Mota, appointed Bishop of São Luís de Montes Belos, Goias in 2020

• Diocese of Almenara
• Diocese of Araçuaí
• Diocese of Guanhães
• Diocese of Teófilo Otoni

• GCatholic.org
• Catholic Hierarchy
• Archdiocese website (Portuguese)

18°14′41″S 43°35′50″W / 18.2447°S 43.5973°W / -18.2447; -43.5973