The Roman Catholic Church in the Dominican Republic comprises two ecclesiastical provinces, each headed by an archbishop. Each province is subdivided into an archdiocese and dioceses (nine in total), each headed by a bishop or an archbishop.
| Ecclesiastical Jurisdictions | Latin name | Type | Rite | Ecclesiastical Province | Established | Area (km2) | |
|---|---|---|---|---|---|---|---|
| Baní | Baniensis | Diocese | Roman | Santo Domingo | 2,892 | ||
| Barahona | Barahonensis | Diocese | Roman | Santo Domingo | 6,973 | ||
| Dominican Republic | Reipublicae Dominicanae | Military Ordinariate | Roman | Immediately subject to the Holy See | — | ||
| La Vega | Vegensis | Diocese | Roman | Santiago de los Caballeros | 4,919 | ||
| Mao-Monte Cristi | Maoënsis–Montis Christi | Diocese | Roman | Santiago de los Caballeros | 4,841 | ||
| Nuestra Señora de la Altagracia en Higüey | Higueyensis / a Domina Nostra vulgo de la Altagracia in Higüey | Diocese | Roman | Santo Domingo | 5,437 | ||
| Puerto Plata | Portus Argentarii | Diocese | Roman | Santiago de los Caballeros | 2,700 | ||
| San Francisco de Macorís | Sancti Francisci de Macoris | Diocese | Roman | Santiago de los Caballeros | 3,682 | ||
| San Juan de la Maguana | Sancti Ioannis Maguanensis | Diocese | Roman | Santo Domingo | 7,476 | ||
| San Pedro de Macorís | Sancti Petri de Macoris | Diocese | Roman | Santo Domingo | 2,588 | ||
| Santiago de los Caballeros | Sancti Iacobi Equitum | Metropolitan Archdiocese | Roman | Santiago de los Caballeros | 6,391 | ||
| Santo Domingo | Sancti Dominici | Metropolitan Archdiocese | Roman | Santo Domingo | 4,033 |