| Cities (Texas) | Churches (114)  |
| Brownsville | Christ the King (English, Spanish)  |
| Colonia Nueva | Christ the King (Spanish)  |
| Monte Alto | Christ the King (English, Spanish)  |
| Bluetown | Cristo Rey (Spanish)  |
| La Victoria | Cristo Rey (Spanish)  |
| Brownsville | Good Shepherd (Spanish, English)  |
| Edcouch | Holy Cross (English, Spanish)  |
| Brownsville | Holy Family (Spanish, English)  |
| Edinburg | Holy Family (Spanish, English)  |
| La Grulla | Holy Family (Spanish, English)  |
| Los Saenz | Holy Family (Spanish)  |
| McAllen | Holy Spirit (English, Spanish)  |
| Progreso | Holy Spirit (Spanish, English)  |
| Falcon Heights | Holy Trinity (Spanish)  |
| Brownsville | Immaculate Conception (Cathedral) (Spanish, English)  |
| Lopezville | Immaculate Conception (Spanish)  |
| McCook | Immaculate Conception (English)  |
| Rio Grande City | Immaculate Conception (Spanish, English)  |
| Harlingen | Immaculate Heart of Mary (English, Spanish)  |
| Laguna Heights | Laguna Heights (Chapel) (Spanish)  |
| Fronton | Lamb of God (Spanish)  |
| Brownsville | Lord of Divine Mercy (Spanish, English)  |
| Brownsville | Mary, Mother of the Church (English, Spanish)  |
| Weslaco | Nuestra Señora de Guadalupe (Spanish)  Mission of Our Lady of Guadalupe |
| Olmito | Our Heavenly Father (English, Spanish)  |
| La Joya | Our Lady, Queen of Angels (English, Spanish)  |
| San Benito | Our Lady, Queen of the Universe (English)  |
| Port Isabel | Our Lady, Star of the Sea (English, Spanish)  |
| Granjeno | Our Lady of Fatima (English, Spanish)  |
| Brownsville | Our Lady of Good Counsel (Spanish, English)  |
| Brownsville | Our Lady of Guadalupe (Spanish, English)  |
| El Sauz | Our Lady of Guadalupe (English, Spanish)  |
| Mission | Our Lady of Guadalupe (English, Spanish)  |
| Raymondville | Our Lady of Guadalupe (Spanish, English)  |
| La Villa | Our Lady of Guadalupe (Spanish)  |
| Madero | Our Lady of Lourdes (Spanish, English)  |
| La Paloma | Our Lady of Lourdes (Spanish)  |
| Mercedes | Our Lady of Mercy (English, Spanish)  |
| La Casita-Garciasville | Our Lady of Peace (Spanish)  |
| McAllen | Our Lady of Perpetual Help (English, Spanish)  |
| Roma | Our Lady of Refuge (English, Spanish)  |
| San Juan | Our Lady of San Juan del Valle (Minor Basilica, National Shrine) (English, Spanish)  |
| McAllen | Our Lady of Sorrows (English, Spanish)  |
| Mission | Our Lady of St. John of the Fields (English, Spanish)  |
| Harlingen | Our Lady of the Assumption (English, Spanish)  |
| Mission | Our Lady of the Holy Rosary (Spanish, English)  |
| Lyford | Prince of Peace (English, Spanish)  |
| Harlingen | Queen of Peace (English, Spanish)  |
| Alamo | Resurrection (English, Spanish)  |
| Brownsville | Sacred Heart (Spanish)  |
| Edinburg | Sacred Heart (English, Spanish)  |
| Elsa | Sacred Heart (Spanish, English)  |
| Escobares | Sacred Heart (Spanish)  |
| Hidalgo | Sacred Heart (Spanish, English)  |
| Las Rucias | Sacred Heart (Spanish, English)  |
| McAllen | Sacred Heart (English, Spanish)  |
| Mercedes | Sacred Heart (Spanish, English)  |
| Rio Grande City | Sacred Heart (Spanish)  |
| Penitas | St. Anne (Spanish)  |
| San Manuel | St. Anne (Spanish, English)  |
| Pharr | St. Anne, Mother of Mary (Spanish, English)  |
| San Perlita | St. Anne, Mother of Mary (Spanish, English)  |
| Harlingen | St. Anthony (English, Spanish)  |
| Peñitas | St. Anthony (Spanish, English)  |
| Raymondville | St. Anthony (English)  |
| San Benito | St. Benedict (English, Spanish)  |
| Los Fresnos | St. Cecilia (Spanish, English)  |
| Monte Cristo | Santa Cecilia (Spanish)  Chapel of St. Cecilia |
| Mission | San Cristobal Magallanes and Companions (Chapel) (Spanish)  |
| Brownsville | St. Eugene de Mazenod (Spanish)  |
| Rangerville | San Felipe (Spanish)  |
| Brownsville | San Felipe de Jesus (Spanish, English)  |
| Hargill | St. Frances Xavier Cabrini  |
| Pharr | St. Frances Xavier Cabrini (Spanish, English)  |
| La Feria | St. Francis Xavier (English, Spanish)  |
| Rio Hondo | St. Helen (Spanish, English)  |
| El Ranchito | St. Ignatius (Spanish)  |
| San Isidro | St. Isidore (English, Spanish)  |
| Weslaco | St. Joan of Arc (Spanish, English)  |
| San Juan | St. John the Baptist (Spanish, English)  |
| Lull | San Jose (Spanish, English)  Chapel of St. Joseph |
| Brownsville | St. Joseph (Spanish, English)  |
| Donna | St. Joseph (Spanish, English)  |
| Edinburg | St. Joseph (English, Spanish)  |
| San Benito | St. Joseph (Spanish)  |
| Salineño | St. Joseph (Spanish)  |
| McAllen | St. Joseph the Worker (Spanish, English)  |
| San Carlos | St. Joseph the Worker (Spanish, English)  |
| McAllen | San Juan Diego Cuauhtlatoazin (Spanish)  |
| Brownsville | San Juan Diego de Guadalupe (Spanish)  |
| Weslaco | St. Jude (Spanish)  |
| Pharr | St. Jude Thaddeus (English, Spanish, Latin)  |
| Brownsville | St. Luke (English, Spanish)  |
| Santa Maria | St. Margaret Ann  |
| Pharr | St. Margaret Mary (Spanish, English)  |
| Sebastian | St. Martin (English, Spanish)  |
| Alton | San Martín de Porres (Spanish)  Church of St. Martin de Porres |
| Weslaco | San Martín de Porres (Spanish, English)  Church of St. Martin de Porres |
| Santa Rosa | St. Mary (English, Spanish)  |
| Abram | St. Mary Magdalene (Spanish)  |
| Los Ebanos | St. Michael (Spanish)  |
| Santa Monica | Santa Monica (Spanish, English)  |
| La Sara | St. Patrick  |
| Mission | St. Paul (English, Spanish)  |
| Rio Grande City | St. Paul the Apostle (Spanish)  |
| Brownsville | San Pedro (Spanish)  |
| Weslaco | St. Pius X (English, Spanish)  |
| Rosita | Santa Rosa de Lima (Spanish, English)  |
| Edinburg | St. Theresa (Spanish)  |
| San Benito | St. Theresa (Spanish, English)  |
| Edcouch | St. Theresa of the Infant Jesus (English, Spanish)  |
| Brownsville | St. Thomas (Spanish)  |
| Lozano | St. Vincent de Paul (Spanish)  |
| Sullivan City | St. William (Spanish)  |
| Cities | Other Churches Within the Diocesan Territory (1)  |
| Edinburg | Divine Mercy (Syro-Malabar)  |