Stonebridge is an area of northwest London, England in the London Borough of Brent, and forms the western part of Harlesden. It is also the name of the largest electoral ward in the borough, which includes Stonebridge itself as well as Park Royal, Brent Park and the St Raphael's Estate. It is the most populated ward in Brent with a population over 17,000 with the majority of Afro-Caribbean heritage.