The Boleyn Ground, often referred to as Upton Park, was a football stadium located in Upton Park, East London. It was the home of West Ham United from 1904 to 2016, and was briefly used by Charlton Athletic in the early 1990s during their years of financial difficulty. The seating capacity of the ground at closure was 35,016.

Upton Park is an area of the East London borough of Newham, centred on Green Street which is the boundary between West Ham and East Ham. West Ham United Football Club formerly played at the Boleyn Ground, commonly known as Upton Park.