St. Leo Church

St. Leo Church or St. Leo's Catholic Church or variations may refer to:
 * St. Leo's Roman Catholic Church, Mimico, in Toronto, Ontario, Canada
 * Chapel of St Leo, Żurrieq, Malta

United States

 * Saint Leo the Great Parish, San Jose, California
 * St. Leo's Church (Baltimore, Maryland), listed on the National Register of Historic Places (NRHP)
 * St. Leo's Catholic Church (Lewistown, Montana), NRHP-listed
 * St. Leo Church (New York City)