Red Bus may refer to:

Red Bus (Mendoza), smart card in Argentina Red Bus (New Zealand), bus operator in Christchurch Red Bus CDC NSW, bus operator on the Central Coast, Australia redBus, Indian online bus ticketing company Red London buses

See also AEC Routemaster, a front-engined double-decker bus that was designed by London Transport. New Routemaster, a hybrid diesel-electric double-decker bus inspired by the AEC Routemaster and operated in London.