Ewell is a town in the borough of Epsom and Ewell in Surrey, England. It is approximately 12 miles (19 km) south of central London and 2 miles (3.2 km) northeast of Epsom. In the 2011 Census, the town had a population of 34,872. The majority of which (73%) is in the ABC1 social class, except the Ruxley Ward that is C2DE.

Epsom and Ewell is a local government district with borough status in Surrey, England, covering the towns of Epsom and Ewell. The borough lies just outside the administrative boundary of Greater London, but it is entirely within the M25 motorway which encircles London. Many of the borough's urban areas form part of the wider Greater London Built-up Area.