4hero are an electronic music group from Dollis Hill, London, comprising producers Mark "Marc Mac" Clair & Denis "Dego" McFarlane. 4hero are known for being pioneers of breakbeat hardcore, jungle/drum and bass, broken beat and nu jazz music.

Dollis Hill is an area in northwest London, which consists of the streets surrounding the 35 hectares Gladstone Park. It is served by a London Underground station, Dollis Hill, on the Jubilee line, providing good links to central London. It is in the London Borough of Brent, close to Willesden Green, Neasden and Cricklewood, and is in the postal districts of NW2 and NW10