Saint Mary Parish or Saint Mary's Parish may refer to:
Administrative parishes Saint Mary Parish, Antigua and Barbuda Sainte-Marie Parish, New Brunswick, Canada, in Kent County Saint Marys Parish, New Brunswick, Canada, in York County Saint Mary Parish, Jamaica St. Mary Parish, Louisiana, United States
Ecclesiastic parishes Saint Mary's Parish (Red Bluff, California), United States St. Mary Parish, Torrington, Connecticut, United States St. Mary Parish (Bridgeport, Connecticut), United States St. Mary Parish (Newington, Connecticut), United States St. Mary Parish, Ware, Massachusetts, United States St. Mary's Parish (Bridgeton, Missouri), United States St. Mary's Parish (Wharton, New Jersey), United States St. Mary's Parish (Appleton, Wisconsin), United States Parish of St. Mary's, a former parish named for St Mary's Church, Mary Street, Dublin, Ireland
See also Saint Mary (disambiguation)