This is a list of Transport for London (TfL) contracted bus routes in London, England, as well as commercial services that enter the Greater London area (except coaches).
Bus services in London are operated by Abellio London, Arriva London, HCT Group, Go-Ahead London (Blue Triangle, Docklands Buses, London Central, and London General), Metroline, RATP Dev Transit London (London Sovereign, London United and London Transit) Stagecoach London (East London, Selkent, and Thameside), Sullivan Buses and Uno. TfL-sponsored operators run more than 500 services.
Non-TfL-sponsored operators include Arriva Shires & Essex, Arriva Southern Counties, Carousel Buses, Diamond South East, Go-Coach, First Berkshire & The Thames Valley, Metrobus, Southdown PSV, Stagecoach South and Trustybus.

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