Roman Catholic Diocese of Concepción, Argentina

The Roman Catholic Diocese of Concepción (Dioecesis Sanctissimae Concepionis in Argentina) is in Argentina and is a suffragan of the Archdiocese of Tucumán.

History
On 12 August 1963 Saint John XXIII founded the Diocese of Concepción from territory taken from the Archdiocese of Tucumán.

Ordinaries

 * Juan Carlos Ferro (1963–1980)
 * Jorge Arturo Meinvielle, S.D.B. (1980–1991), appointed Bishop of San Justo
 * Bernardo Enrique Witte, O.M.I. (1992–2001)
 * Armando José María Rossi, O.P. (2001–2020)
 * José Melitón Chávez (2020–2021)
 * José Antonio Díaz (2021–present)

Coadjutor bishops

 * Armando José María Rossi, O.P. (2000–2001)
 * José Melitón Chávez (2019–2020)