Willesden () is an area in north west London which forms part of the London Borough of Brent. It is situated 5 miles (8 km) northwest of Charing Cross. It was historically a parish in the county of Middlesex that was incorporated as the Municipal Borough of Willesden in 1933, and has formed part of Greater London since 1965. Dollis Hill is also sometimes referred to as being part of Willesden.
With its close proximity to affluent neighbourhoods Brondesbury Park, Queen's Park and Kensal Rise, the area surrounding Willesden Green station has seen increased gentrification in the past several years, with rapidly rising property prices. The Daily Telegraph called Willesden Green one of London's "new middle class" areas. The area has a population of 44,295 as of 2011 including the Willesden Green, Dollis Hill and Dudden Hill wards. Willesden Green has one of the city's highest Irish populations, and is also strongly associated with Latin Americans.Willesden is mostly in the NW10 postcode district, but part of it is in the NW2 postcode district.