| Bishop (2020.10.22 – ...): |  Bishop Thomas Dowd (55) |
| Cities (Ontario) | Churches (111)  |
| Sudbury |  Annonciation (French)  Church of the Annunciation |
| North Bay | Assumption (Pro-Cathedral) |
| Sudbury | Christ the King |
| Dokis | Corpus Christi |
| North Bay | Corpus Christi |
| Wikwemikong | Holy Cross |
| Sault Sainte Marie | Holy Family |
| North Bay | Holy Name of Jesus |
| Sudbury | Holy Redeemer |
| Garden Village | Holy Spirit Church of Our Lady of Sorrows |
| Sudbury |  Holy Trinity |
| M’Chigeeng First Nation | Immaculate Conception |
| Massey | Immaculate Conception |
| Garden River | Immaculate Heart of Mary |
| Gore Bay | Immaculate Heart of Mary |
| Goulais River | Mother of God |
| Coniston | Notre-Dame-de-la-Merci (French) Church of Our Lady of Mercy |
| Crystal Falls | Notre-Dame-de-la-Paix (French) Church of Our Lady of Peace |
| Wahnapitae | Notre-Dame-de-la-Rivière (French) Church of Our Lady of the River |
| Lavigne | Notre-Dame-de-la-Visitation (French) Church of Our Lady of the Visitation |
| Alban | Notre-Dame-de-Lourdes (French) Church of Our Lady of Lourdes |
| Field | Notre-Dame-des-Victoires (French) Church of Our Lady of Victory |
| Blezard Valley | Notre-Dame-du-Rosaire (French) Church of Our Lady |
| Mindemoya | Our Lady of Canada |
| Elliot Lake | Our Lady of Fatima |
| Sault Sainte Marie | Our Lady of Good Counsel |
| South Bay | Our Lady of Grace |
| Sudbury | Our Lady of Hope |
| Manitouwadge | Our Lady of Lourdes |
| Sudbury |  Our Lady of Lourdes (Shrine) |
| Sault Sainte Marie | Our Lady of Mount Carmel (Italian) Chiesa della Signora del Monte Carmelo |
| Capreol | Our Lady of Peace |
| Goulais Bay | Our Lady of Sorrows |
| Sturgeon Falls | Our Lady of Sorrows |
| Cutler | Our Lady of the Highway |
| Sault Sainte Marie | Our Lady of the Highways |
| Sault Sainte Marie |  Precious Blood (Cathedral) |
| Sturgeon Falls | Résurrection (French) Church of the Resurrection |
| Sturgeon Falls | Sacré-Coeur (French) Church of the Sacred Heart |
| Azilda | Sainte-Agnès (French) Church of St. Agnes |
| Chelmsford | St. Alexander |
| Callander | St. Alphonsus of Liguori |
| Thessalon | St. Ambrose |
| Sudbury | St. Andrew the Apostle |
| North Bay | St. Anges |
| Sudbury | Sainte-Anne-Des-Pins (French) Church of St. Anne |
| Sudbury | St. Anthony |
| Kaboni | St. Anthony Daniel |
| Levack | St. Bartholomew |
| White River | St. Basil |
| Little Current | St. Bernard |
| Skead | St. Bernardine of Siena |
| Killarney | St. Bonaventure |
| Hilton Beach | St. Boniface |
| Sudbury | St. Casimir |
| Dubreuilville | Sainte-Cécile (French) Church of St. Cecilia |
| St. Charles | Saint-Charles-Borromée (French) Church of St. Charles Borromeo |
| Whitefish | St. Christopher |
| Noëlville | Saint-David (French) Church of St. David |
| Nowhereville | St. Demo |
| Sudbury | Saint-Dominique (French) Church of St. Dominic |
| Missanabie | Sainte-Domitille (French) |
| Temagami | St. Elizabeth |
| Dowling | Saint-Étienne-Martyr (French) Church of St. Stephen the Martyr |
| Blind River | Sainte-Famille (French) Church of the Holy Family |
| Walford | St. Francis of Assisi |
| Mobert | St. Francis Regis |
| Cartier | Saint-François-Xavier (French) Church of St. Francis Xavier |
| Birch Island | St. Gabriel Lalemant |
| Sault Sainte Marie | St. Gerard Majella |
| Sault Sainte Marie | St. Gregory |
| Buswah | St. Ignatius |
| Sudbury | St. Ignatius of Loyola |
| Batchewana Bay | St. Isaac Jogues |
| Hanmer | Saint-Jacques (French) Church of St. James |
| Blind River | St. James the Greater |
| Verner | Saint-Jean-Baptiste (French) Church of St. John the Baptist |
| Sudbury | Saint-Jean-de-Brébeuf (French) Church of St. John Brébeuf |
| Sault Sainte Marie | St. Jerome |
| Garson | St. John the Evangelist |
| Chelmsford | Saint-Joseph (French) Church of St. Joseph |
| Sheshegwaning | St. Joseph |
| Espanola | St. Jude |
| Mississauga First Nation | St. Kateri |
| Val Therese | St. Kevin |
| Webbwood | St. Lawrence |
| Markstay | Saint-Marc (French) Church of St. Mark |
| Val Therese | Sainte-Marguerite d’Youville (French) Church of St. Margaret d’Youville |
| Elliot Lake | Sainte-Marie (French) Church of St. Mary |
| Sault Sainte Marie | Sainte-Marie-du-Sault (French) Church of St. Mary |
| Sudbury | Saint-Mathieu (French) Church of St. Matthew |
| Wawa | St. Monica |
| Sudbury | St. Patrick |
| Coniston | St. Paul the Apostle |
| North Bay | St. Peter the Apostle |
| Lively | St. Pius X |
| Sagamok First Nation | St. Raphael |
| North Bay | St. Rita |
| River Valley | Sainte-Rose-de-Lima (French) Church of St. Rose of Lima |
| Spanish | Saint-Sébastien (French) Church of St. Sebastian |
| Copper Cliff | St. Stanislaus |
| Cache Bay | Sainte-Thérèse-d’Avila (French) Church of St. Teresa of Avila |
| Warren | Saint-Thomas-Apôtre (French) Church of St. Thomas the Apostle |
| Bear Island | St. Ursula |
| Sault Sainte Marie | St. Veronica |
| North Bay | Saint-Vincent-de-Paul (French) Church of St. Vincent de Paul |
| Sudbury | Sveti Marko (Croatian) |
| Sudbury |  University of Sudbury (University) |
| Espanola |  (Anishinabe Spiritual Centre) (Chapel) |
| Sault Sainte Marie | (Lighted Cross) (Shrine) |
| North Bay | (Sisters of St. Joseph of Sault Sainte Marie) (Monastery) |
| Cities | Other Churches Within the Diocesan Territory (4) |
| Sudbury |  Holy Protection of the Mother of God (Parish) (Ukrainian) |
| Sault Sainte Marie | Nativity of the Mother of God (Parish) (Ukrainian) |
| Hornell Heights | Queen of Peace |
| Coniston | St. Michael the Archangel (Parish) (Ukrainian) |
Last updated on 2025.12.22
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