| Bishop: | vacant |
| Apostolic Administrator (2025.08.09 – ...): | Titular Bishop of Anzio Auxiliary Bishop of Merlo–Moreno (Argentina) |
| Cities (Rio Negro) | Churches (19) |
| Allen | Church of St. Catherine |
| Catriel | Church of Christ the Worker |
| Chichinales | Church of Our Lady of Fatima |
| Cinco Saltos | Church of St. John Bosco |
| Cipolletti | Church of Our Lady of Lujan |
| Cipolletti | Church of Our Lady of Mount Carmel |
| Cipolletti | Church of the Holy Family |
| Cipolletti | Church of St. John Bosco |
| Cipolletti | Church of St. Paul |
| General Fernández Oro | Church of St. Maria Goretti |
| General Roca | Cathedral of Our Lady of Mount Carmel |
| General Roca | Church of Ceferino Namuncurá |
| General Roca | Church of the Risen Christ |
| General Roca | Church of Mary Help of Christians and St. Michael the Archangel |
| General Roca | Church of Our Lady of Fatima |
| Ingeniero Luis A. Huergo | Church of St. Francis Xavier |
| Padre Stefenelli | Shrine of Mary Help of Christians |
| Villa Manzano | Church of Our Lady of Lourdes |
| Villa Regina | Church of Our Lady of the Rosary |
Last updated on 2025.08.13
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