The Roman Catholic Diocese of Gregorio de Laferrere (erected 25 November 2000) is in Argentina and is a suffragan of the Archdiocese of Buenos Aires.

Ordinaries Juan Horacio Suárez (25 November 2000 − 19 December 2013) Gabriel Bernardo Barba (1 March 2014 – 9 June 2020), appointed Bishop of San Luis Jorge Martín Torres Carbonell (30 June 2020 – present)

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