Dagenham East is a London Underground station located on the eastern side of the town of Dagenham in the London Borough of Barking and Dagenham, east London. It is on the District line between Dagenham Heathway to the west and Elm Park to the east. It is 6.4 kilometres (4.0 mi) along the line from the eastern terminus at Upminster and 27.8 kilometres (17.3 mi) to Earl's Court in central London where the line divides into numerous branches. The station has moderate usage for a suburban station, with approximately 3 million exits/entrances per year.

Dagenham is a town in East London, England, within the London Borough of Barking and Dagenham. Dagenham is centred 11.5 miles (18.5 km) east of Charing Cross.