St. Mary's Orthodox Church may refer to:
St. Mary's Coptic Orthodox Church Massarra, Egypt St Mary's Orthodox Church, Kallooppara, India St. Mary's Orthodox Church, Maikavu, India St. Mary's Orthodox Valiyapally, India St Mary's Greek Orthodox Church, Wood Green, United Kingdom St. Mary Orthodox Church (Cambridge, Massachusetts), United States St. Mary's Orthodox Church (West Virginia), United States St. Mary Coptic Orthodox Church (Lancaster, Pennsylvania), United States St. Mary Coptic Orthodox Church (Los Angeles), United States St. Mary Coptic Orthodox Church (Raleigh, North Carolina), United States
See also St Mary and St Abraam Coptic Orthodox Church, Hove, United Kingdom St. Mary & St. Antonios Coptic Orthodox Church, New York, United States St. Mary's Church (disambiguation)