Diocese of Morón Dioecesis Moronensis Diócesis de Morón
Cathedral Basilica of the Immaculate Conception of the Good Journey
Location
Country	Argentina
Ecclesiastical province	Buenos Aires
Metropolitan	Buenos Aires
Statistics
Area	130 km2 (50 sq mi)
Population - Total - Catholics	(as of 2004) 655,000 511,737 (78%)
Information
Denomination	Catholic Church
Sui iuris church	Latin Church
Rite	Roman Rite
Established	11 February 1957 (67 years ago)
Cathedral	Cathedral Basilica of the Immaculate Conception in Morón
Patron saint	Immaculate Conception
Current leadership
Pope	Francis
Bishop	Jorge Vázquez
Metropolitan Archbishop	Mario Aurelio Poli

The Diocese of Morón is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Argentina. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Buenos Aires in Argentina.

Its cathedra is a Minor Basilica : Catedral Basílica Inmaculada Concepción del Buen Viaje, in Morón, Buenos Aires, in the Argentine province of Buenos Aires, capital of the Morón partido, in the Greater Buenos Aires metropolitan area.

• Erected on 11 February 1957 as Diocese of Morón / Moronen(sis) (Latin), on territory split off from Archdiocese of La Plata (not its Metropolitan)
• Lost territories thrice : on 1961.04.10 to establish Diocese of San Martín (also from part of Diocese of San Isidro), on 1969.07.18 to establish Diocese of San Justo (also from part of Diocese of Lomas de Zamora) and on 1997.05.13 to establish Diocese of Merlo–Moreno

As per 2014, it pastorally served 664,000 Catholics (90.7% of 732,000 total) on 130 km² in 53 parishes with 69 priests (53 diocesan, 16 religious), 30 deacons, 86 lay religious (25 brothers, 61 sisters) and 5 seminarians.

• Miguel Raspanti, S.D.B. (1957.03.13 – retired 1980.01.22), died 1991
• Justo Oscar Laguna (1980.01.22 – retired 2004.11.30), died 2011
• Luis Guillermo Eichhorn (2004.11.30 – retired 2017.06.30), died 2022
• Jorge Vázquez (2017.06.30 – ...)

• Jorge Vázquez (2017)

• Fernando María Bargalló (1994.04.27 – 1997.05.13), appointed Bishop of Merlo-Moreno
• Carlos Walter Galán Barry (1981.02.11 – 1991.05.08), appointed Archbishop of La Plata

• Gerardo Tomás Farrell, appointed Coadjutor Bishop of Quilmes in 1997
• José Antonio Gentico, appointed Auxiliary Bishop of Buenos Aires in 2001
• Santiago Olivera, appointed Bishop of Cruz del Eje in 2008
• Gabriel Bernardo Barba (priest here, 1989-1997), appointed Bishop of Gregorio de Laferrere in 2013
• Oscar Eduardo Miñarro (priest here, 1995-1997), appointed Auxiliary Bishop of Merlo-Moreno in 2016
• Fernando Miguel Gil Eisner (priest here, 1983-1997), appointed Bishop of Salto, Uruguay in 2018

• List of Catholic dioceses in Argentina

• GCatholic - data for all sections ^{[self-published]}
• "Diocese of Morón". Catholic-Hierarchy. Retrieved 17 May 2007. ^{[self-published]}

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