St. Mary's Park may refer to:
Ireland St. Mary's Park (Limerick), a housing estate St Mary's Park, the grounds of Castleblayney Faughs GFC
United Kingdom St. Mary's Park, Northumberland, England, a housing estate St Mary's Park, Whitechapel, now Altab Ali Park, London, England St Mary's Park (ward), a defunct ward replaced by St Mary's (Wandsworth ward), London, England
Other countries St Mary's Park (Saint Kitts and Nevis), a cricket ground and former football ground St. Mary's Park (Bronx), New York City, U.S., a public park
See also St. Mary's Square (disambiguation)