The Sutton Link was a proposed new tram line in South London, between Colliers Wood via St Helier to Sutton. Proposed since the early 2000s, consultations on the proposed route took place in the late 2010s. A preferred route was announced in February 2020. Financial issues caused by the COVID-19 pandemic led Transport for London to put the project on hold in July 2020. Despite being identified in the London Plan, the project was cancelled in 2023, due to a "weak business case" and lack of funding.

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.