Mill Hill Broadway railway station is on the Midland Main Line in England, serving the suburb of Mill Hill in the London Borough of Barnet, north London. It is 9 miles 28 chains (15.0 km) down-line from St Pancras and is situated between Hendon to the south and Elstree & Borehamwood to the north. Its three-letter station code is MIL.
The station is served by Thameslink-operated trains on the Thameslink route. It is in Transport for London's Travelcard Zone 4.