Cities (Texas)  | Churches (165) |
| Alvin | St. John the Baptist  |
| Anderson | St. Stanislaus  |
| Angleton | Holy Trinity  |
| Barrett Station | St. Martin de Porres  |
| Baytown | Our Lady of Guadalupe  |
| Baytown | St. John the Evangelist  |
| Baytown | St. Joseph  |
| Beasley | St. Wenceslaus  |
| Bellville | Sts. Peter and Paul  |
| Brazoria | St. Joseph on the Brazos  |
| Channelview | St. Andrew  |
| Clute | St. Jerome  |
| Conroe | Sacred Heart  |
| Crosby | Sacred Heart  |
| Crystal Beach | Our Lady by the Sea  Holy Family Parish |
| Damon | Sts. Cyril and Methodius  |
| Danbury | St. Anthony de Padua  |
| Deer Park | St. Hyacinth  |
| Dickinson | True Cross (Shrine)  |
| Freeport | St. Mary, Star of the Sea  |
| Friendswood | Mary Queen  |
| Frydek | St. Mary  |
| Fulshear | St. Faustina (English, Spanish)  |
| Galena Park | Our Lady of Fatima  |
| Galveston | St. Mary (Cathedral, Minor Basilica)  Parish of the Holy Family |
| Galveston | Holy Rosary  Holy Family Parish |
| Galveston | Sacred Heart  Holy Family Parish |
| Galveston | St. Patrick  Holy Family Parish |
| Hempstead | St. Katharine Drexel  |
| Highlands | St. Jude Thaddeus  |
| Hitchcock | Our Lady of Lourdes  |
| Houston | Sacred Heart (Co-Cathedral)  |
| Houston | Sacred Heart  |
| Houston | All Saints  |
| Houston | Annunciation (English, Latin)  |
| Houston | Ascension (Chinese)  休士頓美華天主堂 |
| Houston | Assumption  |
| Houston | Blessed Sacrament  |
| Houston | Christ the Incarnate Word  |
| Houston | Christ the King  |
| Houston | Christ the Redeemer  |
| Houston | Corpus Christi  |
| Houston | La Divina Providencia  |
| Houston | Holy Cross (Chapel)  |
| Houston | Holy Ghost  |
| Houston | Holy Name  |
| Houston | Holy Rosary (English, Latin, Vietnamese)  |
| Houston | Immaculate Conception  |
| Houston | Immaculate Heart of Mary  |
| Houston | Notre Dame  |
| Houston | Our Lady of Czestochowa (English, Polish)  |
| Houston | Our Lady of Guadalupe  |
| Houston | Our Lady of Lavang (Vietnamese)  |
| Houston | Our Lady of Lavang (Shrine)  |
| Houston | Our Lady of Lourdes  |
| Houston | Our Lady of Mount Carmel  |
| Houston | Our Lady of Sorrows  |
| Houston | Our Lady of St. John  |
| Houston | Our Lady Star of the Sea  |
| Houston | Our Mother of Mercy  |
| Houston | Prince of Peace  |
| Houston | Queen of Peace  |
| Houston | Regina Caeli (Parish) (Latin)  |
| Houston | Resurrection  |
| Houston | St. Albert of Trapani  |
| Houston | St. Alphonsus  |
| Houston | St. Ambrose  |
| Houston | St. Andrew Kim (Korean)  |
| Houston | St. Anne  |
| Houston | St. Anne de Beaupre  |
| Houston | St. Augustine  |
| Houston | St. Basil (English, Spanish, Latin)  University of St. Thomas |
| Houston | St. Benedict the Abbot  |
| Houston | St. Bernadette  |
| Houston | St. Catherine of Siena  |
| Houston | St. Cecilia  |
| Houston | St. Charles Borromeo  |
| Houston | St. Christopher  |
| Houston | St. Clare of Assisi  |
| Houston | St. Cyril of Alexandria  |
| Houston | St. Dominic  |
| Houston | St. Elizabeth Ann Seton  |
| Houston | St. Frances Cabrini  |
| Houston | St. Francis de Sales  |
| Houston | St. Francis of Assisi  |
| Houston | St. Francis Xavier  |
| Houston | St. Gregory the Great  |
| Houston | St. Jerome  |
| Houston | St. John Neumann  |
| Houston | St. John Vianney  |
| Houston | St. Joseph  |
| Houston | St. Justin Martyr  |
| Houston | St. Leo the Great  |
| Houston | St. Luke the Evangelist  |
| Houston | St. Mark the Evangelist  |
| Houston | St. Mary (Seminary)  |
| Houston | St. Mary of the Purification  |
| Houston | St. Matthew the Evangelist  |
| Houston | St. Maximilian Kolbe  |
| Houston | St. Michael  |
| Houston | St. Monica  |
| Houston | St. Nicholas  |
| Houston | St. Patrick  |
| Houston | St. Paul the Apostle  |
| Houston | St. Peter Claver  |
| Houston | St. Peter the Apostle  |
| Houston | St. Philip Neri  |
| Houston | St. Philip of Jesus  |
| Houston | St. Raphael the Archangel  |
| Houston | St. Rose of Lima  |
| Houston | St. Stephen  |
| Houston | St. Theresa  |
| Houston | St. Thomas More  |
| Houston | St. Vincent de Paul  |
| Houston | Vietnamese Martyrs (Vietnamese)  |
| Houston | (Catholic Charismatic Center)  |
| Huffman | St. Philip the Apostle  |
| Humble | St. Mary Magdalene  |
| Huntsville | St. Thomas the Apostle  |
| Industry | Immaculate Conception  |
| Jamaica Beach | Mary, Star of the Sea  Holy Family Parish |
| Katy | Epiphany of the Lord  |
| Katy | St. Bartholomew the Apostle  |
| Katy | St. Edith Stein  |
| Kingwood | St. Martha  |
| Lake Jackson | St. Michael  |
| League City | St. Mary  |
| Magnolia | St. Matthias the Apostle  |
| Manvel | Sacred Heart of Jesus  |
| La Marque | Queen of Peace  |
| McNair | Holy Family  |
| Missouri City | Holy Family  |
| Missouri City | St. Angela Merici  |
| Navasota | Christ Our Light  |
| Needville | St. Michael  |
| New Caney | St. John of the Cross  |
| New Waverly | St. Joseph  |
| Pasadena | St. Juan Diego  |
| Pasadena | St. Pius V  |
| Pattison | Sacred Heart  |
| Pearland | St. Helen  |
| Plantersville | St. Mary  |
| Point Blank | St. Stephen the Martyr  |
| La Porte | St. Mary  |
| Richmond | Sacred Heart  |
| Richmond | St. John Fisher  |
| Rosenberg | Holy Rosary  |
| Rosenberg | Our Lady of Guadalupe  |
| Sealy | Immaculate Conception  |
| South Houston | Our Lady of Grace  |
| Spring | Christ the Good Shepherd  |
| Spring | St. Edward  |
| Spring | St. Ignatius Loyola  |
| Spring | St. James the Apostle  |
| Stoneham | St. Joseph  |
| Sugar Land | St. Laurence  |
| Sugar Land | St. Theresa  |
| Sugar Land | St. Thomas Aquinas  |
| Sweeny | Our Lady of Perpetual Help  |
| Texas City | St. Mary of the Miraculous Medal  |
| The Woodlands | St. Anthony of Padua  |
| The Woodlands | Sts. Simon and Jude  |
| Tomball | St. Anne  |
| Wallis | Guardian Angel  |
| West Columbia | St. John the Apostle  |
Cities  | Other Churches Within the Diocesan Territory (7) |
| Houston | Our Lady of Walsingham (Cathedral, Shrine)  |
| Houston | Our Lady of the Cedars (Maronite)  |
| Houston | Protection of the Mother of God (Ukrainian)  |
| Houston | St. John Chrysostom (Ruthenian)  |
| Katy | St. Margaret  |
| Missouri City | St. Joseph (Syro-Malabar)  |
| Stafford | St. Peter (Syro-Malankara)  |