List of churches in the Roman Catholic Diocese of London, Ontario

Name Image Location Description/Notes St. Matthew Church Alvinston Church closed on June 30, 2007.^[22]
Located in Our Lady Help of Christians Parish, Watford. English Martyrs Church Bayfield Church closed on October 11, 2006.^[22]
Located in St. Peter Parish, St. Joseph. St. Ignatius Church

Bothwell Church closed on June 30, 2007.^[22]
Located in St. Paul Parish,Thamesville. St. Anthony of Padua Church Chatham Church closed on August 10, 2008.^[22] St. Joseph Church Clinton Church closed on July 8, 2007.^[22]
Located in St. Peter Parish, Goderich. Our Lady of Lourdes Church Comber Church closed on January 1, 2006.^[22]
Located in Parish of the Visitation, Comber. St. Ladislaus Church Courtland Hungarian Parish.
Church closed on December 29, 2013.^[22] St. Charles Borromeo Church Courtright Church closed on June 30, 2007.^[22]
Located in St. Joseph Parish, Corunna. St. Casimir

41 Talbot Rd, Delhi Formerly called St. John de Brebeuf and Companions Church 1932-1956^[17]
Church closed and parish suppressed on December 1, 2020.^[23] St. William Church Emeryville Church closed on September 5, 2016.^[22]
Boundaries absorbed by Good Shepherd Parish, Lakeshore. St. Philippe Church Grande Pointe Church closed on April 30, 2007.^[22]
Located in Immaculée Conception Parish, Pain Court. St. Mary of Perpetual Help Church Hesson Church closed on June 24, 2007.^[22]
Located in St. Joseph Parish, Listowel. St. Joseph Church Kingsbridge Church closed on October 21, 2012.^[22]
Located in St. Peter Parish, Goderich. Our Lady of LaSalette Church

La Salette Church closed on November 1, 2011.^[22]
Located in Our Lady, Queen of Martyrs Parish, Delhi LaSalette. St. Joseph Church Leamington Church closed on January 0, 1900.
. St. Brigid Church

Logan Church closed on June 30, 2007.^[22]
Located in St. Patrick Parish, Kinkora and St. Vincent de Paul Parish, Mitchell. Blessed Sacrament Church

London Church closed on June 30, 2006.^[22]
Located in St. Patrick Parish, London. Holy Rosary Church London Church closed on September 14, 2005.^[22]
Located in St. Martin of Tours Parish, London. St. Joseph Church

London Church closed on July 9, 2006.^[22]
Located in Holy Family Parish, London. St. Patrick Church Merlin Parish closed on October 25, 2015.^[22]
Church is a part of Our Lady of the Rosary Shrine Diocesan Shrine. Our Lady of the Angels Church Pardoville Church closed on April 30, 2007.^[22]
Located in: St. Mary Parish, Blenheim. St. Edward the Confessor Church Point Edward Church closed on April 6, 2004.^[22]
Located in Our Lady of Mercy Parish, Sarnia. St. Joseph Church Port Burwell Church closed on June 23, 2003.^[22]
Located in Our Lady of Sorrows Parish, Aylmer, Sacred Heart Parish, Langton and St. Mary Parish, Tillsonburg. St. Joseph Church Port Stanley Church closed on November 2, 2008.^[22]
Located in Holy Angels Parish, St. Thomas. Sacred Heart Church Princeton Church closed on August 27, 2006.^[22]
Located in Holy Trinity Parish, Woodstock. Our Lady of Sorrows Sarnia Church closed on September 13, 2008.^[22]
Sacramental records located at: The Archives of the Diocese of London. St. Peter Church Sarnia Church closed on June 30, 2007.^[22]
Located in Our Lady of Mercy Parish Sarnia, St. Benedict Parish, Sarnia and Sacred Heart Parish, Sarnia. St. Augustine Church St. Augustine Church closed on October 31, 2006^[22].
Located in St. Peter Parish, Goderich. St. Columba Church Bornish St. Columban Church St. Columban Church closed on June 26, 2005.^[22]
Located in St. James Parish, Seaforth. St. Joachim Church

St. Joachim Church closed on January 1, 2006.^[22]
Located in Parish of the Visitation, Comber. St. Charles Church Stevenson Church closed on March 17, 2006.^[22]
Located in St. Francis Xavier Parish, Tilbury. Church of the Annunciation

Stoney Point Church closed on November 19, 2006^[22].
Located in Parish of the Visitation, Comber. St. Gregory the Great Church Tecumseh Church closed on September 5, 2016.^[22]
Boundaries absorbed by Good Shepherd Parish, Lakeshore. Blessed Sacrament Church Windsor Church closed on June 30, 2012.^[22]
Located in Our Lady of the Assumption Parish, Windsor. Christ the King Church Windsor Church closed on January 1, 2007.^[22]
Located in Corpus Christi Parish, Windsor. Immaculate Conception Church Windsor Church closed on January 1, 2007^[22].
Located in Immaculate Heart Parish, Windsor. Our Lady of Fatima Church Windsor Church closed on June 4, 2006.^[22]
Located in St. John Vianney Parish, Windsor. Our Lady of the Rosary Church Windsor Church closed on June 30, 2008.^[22]
Located in Most Precious Blood Parish, Windsor and Our Lady of Guadalupe Parish, Windsor. Sacred Heart Church Windsor Church closed on January 1, 2007.^[22]
Located in Immaculate Heart Parish, Windsor. St. Anne Church Windsor Church closed on June 30, 2008.^[22]
Located in Most Precious Blood Parish, Windsor and Our Lady of Guadalupe Parish, Windsor. St. Casimir Church Windsor Church closed on September 30, 2009.^[22]
Sacramental records located at: The Archives of the Diocese of London. St. Christopher Church Windsor Church closed on June 3, 2007.^[22]
Located in Our Lady of Perpetual Help Parish, Windsor. St. Clare of Assisi Church Windsor Church closed on June 15, 2000.^[22]
Located in St. Alphonsus Parish, Windsor. St. Joseph the Worker Church Windsor Church closed on October 14, 2002.^[22]
Located in Most Precious Blood Parish, Windsor. St. Martin de Porres Church Windsor Church closed on January 1, 2007.^[22]
Located in Corpus Christi Parish, Windsor. St. Patrick Church Windsor Church closed on June 20, 2010.^[22]
Located in Corpus Christi Parish and Assumption Parish, Windsor. St. Rose of Lima Church

Windsor Church closed on June 28, 2009.^[22]
Located in Our Lady of Guadalupe Parish, Windsor. St. Thomas the Apostle Church Windsor Church closed on July 6, 2008.^[22]
Located in Our Lady of Guadalupe Parish, Windsor. St. Vincent de Paul Church Windsor Church closed on October 7, 2022.^[24]
Located in Atonement Parish, Windsor. St. Mary Church Woodstock Church closed on June 28, 2006.^[22]
Located in Holy Trinity Parish, Woodstock. St. Rita Church Woodstock Church closed on May 27, 2013.^[22]
Located in Holy Trinity Parish, Woodstock. Holy Rosary Church Wyoming Church closed on June 30, 2007.^[22]
Located in St. Philip Parish, Petrolia.