This list of 1955 motorsport champions is a list of national or international auto racing series with a Championship decided by the points or positions earned by a driver from multiple races.
Motorcycle racing Series Rider Season article 500cc World Championship Geoff Duke 1955 Grand Prix motorcycle racing season 350cc World Championship Bill Lomas 250cc World Championship Hermann Paul Müller 125cc World Championship Carlo Ubbiali Motocross European Championship John Draper 1955 Motocross European Championship Speedway World Championship Peter Craven 1955 Individual Speedway World Championship
Open wheel racing Series Driver Season article Formula One World Championship Juan Manuel Fangio 1955 Formula One season AAA National Championship Bob Sweikert 1955 AAA Championship Car season Formula Three BRSCC British Formula Three Championship Jim Russell East German Formula Three Championship Willy Lehmann 1955 East German Formula Three Championship
Rallying Series Drivers Season article European Rally Championship Werner Engel 1955 European Rally Championship Co-Drivers: Gilbert Ambrecht
Sports car and GT Series Driver Season article World Sportscar Championship Mercedes-Benz 1955 World Sportscar Championship SCCA National Sports Car Championship C Modified: Sherwood Johnston 1955 SCCA National Sports Car Championship D Modified: Phil Hill
Stock car racing Series Driver Season article NASCAR Grand National Series Tim Flock 1955 NASCAR Grand National Series Manufacturers: Oldsmobile NASCAR Pacific Coast Late Model Series Danny Letner 1955 NASCAR Pacific Coast Late Model Series AAA Stock Car National Championship Frank Mundy 1955 AAA Stock Car National Championship ARCA Racing Series Iggy Katona 1955 ARCA Racing Series Turismo Carretera Juan Gálvez 1955 Turismo Carretera
See also List of motorsport championships Auto racing