Kentish Bus was a bus operator in South East England and London. It was formed from the split of London Country Bus Services in 1986 as London County South East (LCSE) and operated a fleet of around 170 buses from four garages, with its headquarters located in Northfleet, subsequently rebranding to Kentish Bus in 1987. Its former garages and operations now form part of Arriva Southern Counties and Arriva London.

London Country Bus Services was a bus company that operated in South East England from 1970 until 1986, when it was split up and later sold as part of the bus deregulation programme.