This list of 1934 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.

Open wheel racing Series Driver Season article AAA National Championship Bill Cummings 1934 AAA Championship Car season

Motorcycle racing Speedway Series Driver Season article Star Riders' Championship Jack Parker 1934 Star Riders' Championship

See also List of motorsport championships Auto racing