The Archdiocese of Pelotas (Latin: Archidioecesis Pelotensis) is a Roman Catholic archdiocese located in the city of Pelotas, Rio Grande do Sul. Before being elevated to an archdiocese in its own right on April 13, 2011, it was part of the ecclesiastical province of Porto Alegre in Brazil.

• 15 August 1910: Established as Diocese of Pelotas from the Diocese of São Pedro do Rio Grande
• 13 April 2011: Elevated to archdiocese

• Bishops of Pelotas (Roman rite)
  • Francisco de Campos Barreto † (12 May 1911 - 30 July 1920) Appointed, Bishop of Campinas
  • Joaquim Ferreira de Mello † (15 March 1921 - 22 September 1940) Died
  • Antônio Zattera † (31 January 1942 - 1 September 1977) Resigned
  • Jayme Henrique Chemello (1 September 1977 - 1 July 2009) Resigned
  • Jacinto Bergmann (1 July 2009 - 13 April 2011) Appointed archbishop
• Archbishops of Pelotas (Roman rite)
  • Jacinto Bergmann (13 April 2011 – present)

• Angelo Félix Mugnol (1966-1969), appointed Bishop of Bagé, Rio Grande do Sul
• Jayme Henrique Chemello (1969-1977), appointed Bishop here
• Jacinto Bergmann (2002-2004), appointed Bishop of Tubarão, Santa Catarina (later returned here as Bishop)

≠Carlos Rômulo Gonçalves e Silva, appointed Coadjutor Bishop of Montenegro in 2017

• Diocese of Bagé
• Diocese of Rio Grande

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

31°45′50″S 52°20′19″W / 31.7638°S 52.3386°W / -31.7638; -52.3386