Worcester Park is a suburban town in South West London, England. It lies in the London boroughs of Sutton and Kingston, and partly in the Surrey borough of Epsom and Ewell. The area is 10 miles (16 km) southwest of Charing Cross. The suburb's population was 16,031 at the time of the 2001 census. The suburb comprises the Worcester Park ward, an electoral area of the London Borough of Sutton with a population in 2011 of 11,655, as well as the Cuddington ward, an electoral area of Epsom and Ewell, which had a population of 5,791 at the time of the 2001 census.

The London Borough of Sutton is an Outer London borough in London, England. It covers an area of 43 km2 (17 sq mi) and is the 80th largest local authority in England by population. It borders the London Borough of Croydon to the east, the London Borough of Merton to the north and the Royal Borough of Kingston upon Thames to the north-west; it also borders the Surrey boroughs of Epsom and Ewell to the west and Reigate and Banstead to the south. The local authority is Sutton London Borough Council. Its principal town is Sutton.