London Buses route 6 is a Transport for London contracted bus route in London, England. Running between Willesden bus garage and Victoria station, it is operated by Metroline.

Willesden is an area of north-west London, situated 5 miles (8 km) north-west of Charing Cross. It is historically a parish in the county of Middlesex that was incorporated as the Municipal Borough of Willesden in 1933; it has formed part of the London Borough of Brent in Greater London since 1965. Dollis Hill is also sometimes referred to as being part of Willesden.