This list of 1946 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 Ted Horn 1946 AAA Championship Car season
Stock car racing Series Driver Season article Turismo Carretera Oscar Alfredo Gálvez 1946 Turismo Carretera
See also List of motorsport championships Auto racing