Wallington is a town in the London Borough of Sutton, in South London, England. It is 9.7 miles (15.6 km) south south-west of Charing Cross. Before the Municipal Borough of Beddington and Wallington merged into the London Borough of Sutton in Greater London in 1965, it was part of the county of Surrey. Wallington is a post town in the SM postcode area.

Wallington is a town in the London Borough of Sutton, in South London, England. It is 9.7 miles (15.6 km) south south-west of Charing Cross. Before the Municipal Borough of Beddington and Wallington merged into the London Borough of Sutton in Greater London in 1965, it was part of the county of Surrey. Wallington is a post town in the SM postcode area.

The town is home to three of the borough's five grammar schools. The London Borough of Sutton is a top performing borough for education in the United Kingdom. Since 2007 new retailers have opened in Wallington, including Tesco Express, the upmarket 'Antic' pub chain and Caffè Nero. These were in addition to existing retailers including Sainsbury's, Boots, W.H. Smith, banks, estate agencies and building societies.

There have been two developments of luxury flats opposite the railway station, which were completed circa 2010 and 2013 respectively. More town center flats in Shotfield Road were completed in 2015. A farmers' market is held on the second Saturday of each month. This is usually located outside the old town hall, but occasionally in the car park at Shotfield.

Sutton Community Farm, the only one of its kind in Greater London, is located in Wallington. A not-for-profit social enterprise, it occupies a 7.5 acre small-holding of a type originally given to ex-servicemen following the First World War.There is a public library in the center of Wallington in the "Shotfield" district; it has an outside terrace where coffee and tea are served. Shotfield is also where the former Town Hall, and now a college, is located. In 1980 it was taken over and converted into a Crown Court. The building ceased to be a Court in April 1999, and was later converted to its current use.

The town saw the opening of a small independent cinema in May 2014 at the Brook Cafe and Bar, along with a recording studio. The Shotfield area of the town center gained a modern new health center in 2012, replacing smaller existing facilities on the site.