London Buses route 507 was a Transport for London contracted bus route in London, England. It ran between Waterloo station and Victoria bus station, and was operated by Go-Ahead London.

London General Transport Services Limited, trading as Go-Ahead London, is a bus company operating in Greater London. The London General brand is a subsidiary of Go-Ahead London and operates services under contract to Transport for London. The company is named after the London General Omnibus Company, the principal operator of buses in London between 1855 and 1933.