List of churches in the Diocese of London, Ontario

This is a list of current and former Catholic churches in the Diocese of London, Ontario. The diocese includes 115 churches in Southwestern Ontario divided into six administrative regions called deaneries. The cathedral church of the diocese is St. Peter's Cathedral Basilica in London, Ontario.

Huron Perth Deanery

NameImagesLocation Established Description/notesSt. Ambrose17 Flora St., BrusselsMission of Sacred Heart, Wingham.First church built in 1876, second church built in 1993.St. Patrick81 Mill St, Dublin1900Member of the Perth Huron Crossroads Catholic Family of Parishes.Precious Blood200 Sanders St West, ExeterMember of the Lake Huron Catholic Family of Parishes.St. Peter156 North St, Goderich1834Member of the Lake Huron Catholic Family of Parishes.Immaculate Heart of Mary337 Ontario St, Grand Bend1982Member of the Lake Huron Catholic Family of Parishes.St. Patrick4597 Road 145, R.R. 1, Kinkora1862Member of the Perth Huron Crossroads Catholic Family of Parishes.The church was designed by Joseph Connolly.St. Joseph1025 Wallace Ave North, ListowelClustered with Sacred HeartSt. Vincent de Paul29 Park Lane, MitchellMember of the Perth Huron Crossroads Catholic Family of Parishes.Our Lady of Mount CarmelMount Carmel1860Member of the Lake Huron Catholic Family of Parishes.St. James22 Victoria St, Seaforth1880Member of the Perth Huron Crossroads Catholic Family of Parishes.St. PeterSt. Joseph1854Member of the Lake Huron Catholic Family of Parishes.Holy Name of MarySt. Marys1865Member of the Avon-Thames Catholic Family of Parishes.Immaculate Conception50 Well St, Stratford1905Member of the Avon-Thames Catholic Family of Parishes.St. Joseph99 Huron St, Stratford1837Member of the Avon-Thames Catholic Family of Parishes.Sacred Heart220 Carling Terrace, Wingham1847Clustered with St. JosephSt. Boniface22 Mary St, Zurich1896Member of the Lake Huron Catholic Family of Parishes.

Ingersoll Deanery

NameImagesLocation Established Description/notesOur Lady, Queen of the Martyrs110 Adams Ave, Delhi1935Member of the Catholic Family of Parishes in NorfolkFormerly called St. John de Brebeuf and Companions Church 1956-2007Sacred Heart131 Thames St North, Ingersoll1838Member of the North Oxford Catholic Family of Parishes.Sacred Heart24 Albert St, Langton1936Member of the Erie Tri-County Catholic Family of Parishes.St. Cecilia17 Lynn Park Ave, Port Dover1945Member of the Catholic Family of Parishes in NorfolkSt. Mary211 Union St, Simcoe1886Member of the Catholic Family of Parishes in NorfolkSt. Mary51 Venison St West, Tilsonburg1875Member of the Erie Tri-County Catholic Family of Parishes.St. Michael 978 John's Rd, WalshMember of the Erie Tri-County Catholic Family of Parishes.St. Bernard of Clairvaux165 Thompson Rd, Waterford1951Member of the Catholic Family of Parishes in NorfolkHoly Cross Polish Catholic Community169 Ingersoll Rd, Woodstock1986Member of the North Oxford Catholic Family of Parishes.Holy Trinity1420 Devonshire Ave, Woodstock2006Member of the North Oxford Catholic Family of Parishes.

Kent Deanery NameImagesLocation Established Description/notesSt. Mary95 Marlborough St North, Blenheim1927Member of the South Kent Catholic Family of Parishes in EssexBlessed Sacrament145 Victoria Ave, Chatham1921Member of the Chatham Catholic Family of ParishesOur Lady of Victory Polish Catholic Community490 St. Clair St, ChathamMember of the Chatham Catholic Family of ParishesSt. Joseph180 Wellington St West, Chatham1850Member of the Chatham Catholic Family of ParishesChurch designed by Joseph Connolly, construction completed in 1887.St. Ursula205 Tweedsmuir Ave West, Chatham1951Member of the Chatham Catholic Family of ParishesSt. Michael698 Tecumseh St, Dresden1872Member of the Kent Lambton Roman Catholic Family of ParishesParoisse Immaculée Conception & Saint-Philippe Parish24152 Winterline Rd, Pain Court1853Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.Sacred Heart464 John St, Port Lambton1880Member of the Kent Lambton Roman Catholic Family of ParishesSt. Michael26 George St, Ridgetown1881Member of the South Kent Catholic Family of Parishes in EssexSt. Paul9 Alice St, Thamesville1861Member of the South Kent Catholic Family of Parishes in EssexSt. Francis Xavier32 Canal St West, Tilbury1855 Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.St. Peter5425 Tecumseh Line, Tilbury1802Member of the Lakes Erie and St. Clair Catholic Family of Parishes/Famille catholique des paroisses des lacs Érié et Ste-Claire.Holy Family647 Murray St, Wallaceburg1949Member of the Kent Lambton Roman Catholic Family of ParishesOur Lady Help of Christians422 Elgin St, Wallaceburg1878Member of the Kent Lambton Roman Catholic Family of Parishes

London Deanery

NameImagesLocation Established Description/notes'Our Lady of Sorrows116 John St South, Aylmer1939Member of the Elgin Roman Catholic Family of Parishes.St. Charles Garnier244 Stella Ave, Glencoe1962 Member of the West Middlesex Catholic Family of Parishes.Christ the King University266 Epworth Ave, London2005Worships at 'The Chapel’ at Windermere on the Mount in London.Communaute Catholique Ste-Marguerite d'Youville920 Huron St, London1982Worships at St. Andrew The Apostle Church, London. Member of the Fanshawe-Thames Catholic Family of Parishes.Holy Cross10 Elm St, London1950 Member of the Fanshawe-Thames Catholic Family of Parishes.Holy Family777 Valetta St, London2006 Member of Lucan Northwest London Catholic Family of Parishes.Mary Immaculate1980 Trafalgar St, London1965Member of the Fanshawe-Thames Catholic Family of Parishes.Our Lady of Czestochowa419 Hill St, London1953Member of the London East Central Catholic Family of Parishes.Our Lady of the Holy Rosary Vietnamese Catholic CommunityLondonWorships at St. Andrew The Apostle Church, London. Member of the Fanshawe-Thames Catholic Family of Parishes.Our Lady of Siluva Lithuanian Catholic CommunityLondon1964Worships at Mary Immaculate Church, London. Member of the Fanshawe-Thames Catholic Family of Parishes.St. Andrew the Apostle1 Fallons Lane, London1965Member of the Fanshawe-Thames Catholic Family of Parishes.St. Andrew Kim Korean Catholic Community258 Clarke Rd, LondonMember of the Fanshawe-Thames Catholic Family of Parishes.St. Francis of Assisi-St. Martin of Tours46 Cathcart St, LondonMember of the London South Catholic Family of Parishes.St. George1164 Commissioners Rd West, London1955Member of the Springbank Catholic Family of Parishes.St. John the Divine390 Base Line Rd West, London1965Member of the Springbank Catholic Family of Parishes.St. Josephine Bakhita African-Caribbean Catholic CommunityLondonWorships at St. Michael Church, London. Member of the London North Central Catholic Family of Parishes.St. Justin855 Jalna Blvd, London1977 Member of the London South Catholic Family of Parishes.St. Leopold Mandic2889 Westminster Dr, London1980Member of the London South Catholic Family of Parishes.St. Mary345 Lyle St, London1872 Member of the London East Central Catholic Family of Parishes.St. Michael511 Cheapside St, London1911Member of the London North Central Catholic Family of Parishes.St. Patrick377 Oakland Ave, London1913Member of the London East Central Catholic Family of Parishes.Designed by Barry Byrne, and built in 1952.St. Peter's Cathedral Basilica196 Dufferin Ave, London1843Member of the London North Central Catholic Family of Parishes. Parish established 1834; French French Gothic Revival style built 1880-1885St. Stephen of Hungary Hungarian Catholic CommunityWorships at St. Patrick, London.1964 Member of the London East Central Catholic Family of Parishes.St. PatrickR.R. 3, 32922 Richmond St, Lucan1845Member of Lucan Northwest London Catholic Family of Parishes.Sacred Heart159 Ann St, Parkhill1869Member of the West Middlesex Catholic Family of Parishes.Holy Angels502 Talbot St, St. Thomas1831Member of the Elgin Roman Catholic Family of Parishes.St Anne20 Morrison Dr, St. Thomas1967 Member of the Elgin Roman Catholic Family of Parishes.Tridentine Latin Mass CommunityWorships at Holy Angels Church, St. Thomas.All Saints125 Front St East, Strathroy1869Member of the West Middlesex Catholic Family of Parishes.St. Helen29519 Talbot Line, WallacetownMember of the Elgin Roman Catholic Family of Parishes.St. Mary128 Main St, West Lorne1885Member of the Elgin Roman Catholic Family of Parishes.

Sarnia Deanery

NameImagesLocation Established Description/notes'St. Michael1920 Wildwood Dr, Brights Grove1986Member of the Sarnia Bluewater Roman Catholic Family of Parishes.St. Joseph346 1 Beresford St, Corunna1854Member of the Lambton County Catholic Family of Parishes.St. Christopher68 Union St, Forest1857Member of the Lambton County Catholic Family of Parishes.First church built 1866; second church built 1893; new church built in 2002St. Philip415 King St, Petrolia1867Member of the Lambton County Catholic Family of Parishes.Our Lady of Mercy390 N Christina St, Sarnia1856 Member of the Sarnia Bluewater Roman Catholic Family of Parishes.Paroisse St-Thomas D'Aquin895 Rue Champlain, Sarnia1944Member of the Sarnia Bluewater Roman Catholic Family of Parishes.Queen of Peace566 Rosedale Ave, Sarnia1958Member of the Sarnia Bluewater Roman Catholic Family of Parishes.Sacred Heart1465 Lecaron Ave, Sarnia1949Member of the Sarnia Bluewater Roman Catholic Family of Parishes.St. Benedict1011 Oak Ave, Sarnia1959Member of the Sarnia Bluewater Roman Catholic Family of Parishes.St. Joseph291 Stuart St, Sarnia1923Member of the Sarnia Bluewater Roman Catholic Family of Parishes.Our Lady Help of Christians432 Victoria St, Watford1875Member of the Lambton County Catholic Family of Parishes.

Windsor-Essex Deanery