| Bishop (2022.05.07 – ...): |  Bishop Stefano Russo (64) |
| Cities (Lazio) | Churches (33)  |
| Velletri |  Madonna del Rosario (Parish)  Church of Our Lady of the Rosary |
| Colleferro | Maria Santissima Immacolata (Parish) Church of the Most Holy Immaculate Mary |
| Velletri | Regina Pacis (Parish) Church of the Queen of Peace |
| Colleferro | Santa Barbara (Parish) Church of St. Barbara |
| Colleferro | San Bruno (Parish) Church of St. Bruno |
| Velletri |  San Clement I (Cathedral, Minor Basilica, Shrine, Parish) Santuario Madonna delle Grazie Cathedral Basilica of St. Clement I Shrine of Our Lady of Graces |
| Artena | Santa Croce (Parish) Collegiate Church of the Holy Cross |
| Colleferro Scalo | San Gioacchino (Parish) Church of St. Joachim |
| Velletri | San Giovanni Battista (Parish) Church of St. John the Baptist |
| Segni | Santa Lucia Church of St. Lucy |
| Velletri | Santa Lucia (Parish) Church of St. Lucy |
| Segni |  Santa Maria Assunt (Co-Cathedral, Parish) Co-Cathedral of the Assumption of Mary |
| Gavignano | Santa Maria Assunta (Parish) Church of St. Mary of the Assumption |
| Segni | Santa Maria degli Angeli (Parish) Church of St. Mary of the Angels |
| Velletri | Santa Maria del Carmine (Parish) Church of Our Lady of Mount Carmel |
| Velletri | Santa Maria del Sangue Oratory of St. Mary of the Blood |
| Velletri | Santa Maria del Trivio Church of St. Mary |
| Artena | Santa Maria di Gesù (Parish) Church of St. Mary of Jesus |
| Lariano | Santa Maria Intemerata (Parish) Church of St. Mary Unblemished |
| Valmontone | Santa Maria Maggiore (Parish) Collegiate Church of St. Mary Major |
| Velletri | San Martino (Parish) Church of St. Martin |
| Velletri | San Michele Arcangelo (Parish) Church of St. Michael the Archangel |
| Prato di Maggio | San Paolo Apostolo (Parish) Church of St. Paul the Apostle |
| Segni | San Pietro Church of St. Peter |
| Montelanico | San Pietro Apostolo (Parish) Church of St. Peter the Apostle |
| Gavignano | San Rocco Church of St. Roch |
| Valmontone | San Sebastiano (Parish) Church of St. Sebastian |
| Valmontone | Sant’Anna (Parish) Church of St. Anne |
| Velletri | Sant’Antonio Abate Church of St. Anthony the Abbot |
| Landi-Pedica | Santissimo Nome di Maria (Parish) Church of the Most Name of Mary |
| Velletri | Santissimo Salvatore (Parish) Church of the Holy Saviour |
| Artena | Santo Stefano (Parish) Church of St. Stephen |
| Segni | Santo Stefano Church of St. Stephen |
Last updated on 2025.12.22
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