Clapham Junction railway station () is a major railway station and transport hub near St John's Hill in south-west Battersea in the London Borough of Wandsworth. It is from and from ; it is on both the South Western main line and Brighton main line as well as numerous other routes and branch lines passing through or diverging from the main lines at this station. Despite its name, Clapham Junction is not located in Clapham, a district situated approximately to the south-east.