Harrow & Wealdstone is a London Underground station in Wealdstone, Greater London. It is served by London Overground, London Midland, Southern and London Underground Bakerloo Line services. The next stop southbound on the Bakerloo Line is Kenton. The station is located at the southern end of High Street, Wealdstone at the end-on junction with "The Bridge". Station is located in TravelCard Zone 5.

The station was opened by the London and Birmingham Railway (L&BR) as Harrow on 20 July 1837 in what was then rural Middlesex.