Cities (Oklahoma)  | Churches (111) |
| Ada | St. Joseph  |
| Altus | Prince of Peace  |
| Alva | Sacred Heart  |
| Anadarko | St. Patrick  |
| Apache | Mother of Sorrows  |
| Ardmore | St. Mary  |
| Beaver | St. Frances Cabrini (Spanish)  |
| Billings | Sacred Heart  |
| Binger | Our Lady of the Rosary  |
| Bison | St. Joseph (Shrine)  Shrine of Our Lady of Fatima |
| Blackwell | St. Joseph  |
| Boise City | Good Shepherd  |
| Buffalo | St. Joseph  |
| Calumet | Immaculate Heart of Mary  |
| Carnegie | St. Richard  |
| Chandler | Our Lady of Sorrows  |
| Cherokee | St. Cornelius  |
| Chickasha | Holy Name of Jesus (English, Spanish)  |
| Clinton | St. Mary  |
| Cordell | St. Ann  |
| Crescent | St. Margaret Mary  |
| Del City | St. Paul the Apostle  |
| Duncan | Assumption of the Blessed Virgin Mary  |
| Edmond | St. Damien of Molokai (Latin)  |
| Edmond | St. John the Baptist  |
| Edmond | St. Monica (English, Spanish)  |
| El Reno | Sacred Heart  |
| Elgin | St. Ann  |
| Elk City | St. Matthew  |
| Enid | St. Francis Xavier  |
| Enid | St. Gregory the Great  |
| Fairview | St. Ann  |
| Frederick | St. Helen  |
| Goltry | St. Michael  |
| Guthrie | St. Mary  |
| Guymon | St. Peter (English, Spanish)  |
| Harrah | St. Teresa of Avila  |
| Hennessey | St. Joseph  |
| Hinton | Sacred Heart  |
| Hobart | Sts. Peter and Paul  |
| Hollis | Our Lady of Guadalupe  |
| Hooker | Sacred Heart  |
| Jones | St. Robert Bellarmine  |
| Kingfisher | Sts. Peter and Paul  |
| Konawa | Sacred Heart  |
| Lawton | Blessed Sacrament  |
| Lawton | Holy Family  |
| Lindsay | St. Peter  |
| Madill | Holy Cross (Spanish, English)  |
| Mangum | Sacred Heart  |
| Marietta | Good Shepherd  |
| Marlow | Immaculate Conception  |
| Mcloud | St. Vincent de Paul  |
| Medford | St. Mary  |
| Meeker | St. Michael  |
| Midwest City | St. Philip Neri  |
| Moore | St. Andrew  |
| Mooreland | Sacred Heart  |
| Mustang | Holy Spirit  |
| Newkirk | St. Francis of Assisi  |
| Norman | St. Joseph  |
| Norman | St. Mark the Evangelist  |
| Norman | St. Thomas More  |
| Okarche | Holy Trinity  |
| Okeene | St. Anthony of Padua  |
| Oklahoma City | Our Lady of Perpetual Help (Cathedral) (English, Vietnamese)  |
| Oklahoma City | St. Joseph (Former Cathedral)  |
| Oklahoma City | Christ the King  |
| Oklahoma City | Corpus Christi  |
| Oklahoma City | Epiphany of the Lord  |
| Oklahoma City | Holy Angels  |
| Oklahoma City | Immaculate Conception  |
| Oklahoma City | Korean Martyrs  |
| Oklahoma City | Little Flower (Spanish, English)  Church of Our Lady of Mount Carmel and St. Therese |
| Oklahoma City | Resurrection (Chapel)  Resurrection Memorial Cemetery |
| Oklahoma City | Sacred Heart (English, Spanish)  |
| Oklahoma City | St. Andrew Dung-Lac (Vietnamese)  |
| Oklahoma City | St. Charles Borromeo (English, Spanish)  |
| Oklahoma City | St. Eugene (English, Spanish)  |
| Oklahoma City | St. Francis of Assisi  |
| Oklahoma City | St. James the Greater (English, Spanish)  |
| Oklahoma City | St. Patrick (English, Spanish)  |
| Pauls Valley | St. Catherine of Siena  |
| Perry | St. Rose of Lima  |
| Ponca City | St. Mary (English, Spanish)  |
| Pond Creek | St. Joseph  |
| Prague | Infant Jesus of Prague (National Shrine)  St. Wenceslaus Church |
| Purcell | Our Lady of Victory  |
| Ryan | San Jose  |
| Sayre | Queen of All Saints  |
| Seiling | St. Thomas Apostle  |
| Seminole | Immaculate Conception  |
| Shattuck | Holy Name  |
| Shawnee | St. Benedict  |
| Shawnee | St. Gregory (Monastery)  |
| South Oklahoma City | Blessed Stanley Rother (Shrine)  |
| Sterling | Our Lady of Perpetual Help  |
| Stroud | St. Louis  |
| Sulphur | St. Francis Xavier  |
| Thomas | Blessed Sacrament  |
| Tonkawa | St. Joseph  |
| Union City | St. Joseph  |
| Wakita | St. Mary Assumption  |
| Walters | St. Patrick  |
| Wanette | St. Mary  |
| Watonga | St. Rose of Lima  |
| Waynoka | Our Mother of Mercy  |
| Weatherford | St. Eugene  |
| Wewoka | St. Joseph  |
| Woodward | St. Peter (English, Spanish)  |
| Yukon | St. John Nepomuk  |
Cities  | Other Churches Within the Diocesan Territory (2) |
| Norman | Our Lady of Lebanon (Maronite)  |
| Oklahoma City | Holy Family (Syro-Malabar)  |