Downham Market railway station is on the Fen line in the east of England, serving the town of Downham Market, Norfolk. It is 86 miles 8 chains (138.6 km) measured from London Liverpool Street and is situated between Littleport and Watlington stations. Its three-letter station code is DOW.

The Fen Line is a railway line in the east of England that links Cambridge in the south to King's Lynn in the north. The line runs through Cambridgeshire and Norfolk and the name of the line refers to the Fens which cover parts of Cambridgeshire, Norfolk and Lincolnshire. It is 41 miles 47 chains (66.9 km) in length and has eight stations.