This list of 1973 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.
Drag racing Series Champion Refer NHRA Drag Racing Series Top Fuel: Jerry Ruth 1973 NHRA Drag Racing Series Funny Car: Frank Hall Pro Stock: Wayne Gapp
Karting Series Driver Season article Karting World Championship Terry Fullerton Junior: Alain Prost Karting European Championship Gabriele Gorini
Motorcycle racing Series Rider Season article 500cc World Championship Phil Read 1973 Grand Prix motorcycle racing season 350cc World Championship Giacomo Agostini 250cc World Championship Dieter Braun 125cc World Championship Kent Andersson 50cc World Championship Jan de Vries Speedway World Championship Jerzy Szczakiel 1973 Individual Speedway World Championship Formula 750 Barry Sheene 1973 Formula 750 season Motocross Series Rider Season article FIM Motocross World Championship 500cc: Roger De Coster 1973 FIM Motocross World Championship 250cc: Håkan Andersson AMA Motocross Championship 500cc: Pierre Karsmakers 1973 AMA Motocross National Championship season 250cc: Gary Jones
Open wheel racing Series Driver Season article Formula One World Championship Jackie Stewart 1973 Formula One season Constructors: Lotus-Ford USAC National Championship Roger McCluskey 1973 USAC Championship Car season European Formula Two Championship Jean-Pierre Jarier 1973 European Formula Two Championship European Formula 5000 Championship Teddy Pilette 1973 Rothmans 5000 European Championship Tasman Series Graham McRae 1973 Tasman Series All-Japan Formula 2000 Championship Motoharu Kurosawa 1973 All-Japan Formula 2000 Championship Australian Drivers' Championship John McCormack 1973 Australian Drivers' Championship Australian Formula 2 Championship Leo Geoghegan 1973 Australian Formula 2 Championship Formula Nacional Juan Villacieros 1973 Formula Nacional Cup of Peace and Friendship Albín Patlejch 1973 Cup of Peace and Friendship Nations: East Germany SCCA Continental Championship Jody Scheckter 1973 SCCA L&M Championship SCCA Formula Super Vee Bertil Roos 1973 SCCA Formula Super Vee season South African Formula One Championship Dave Charlton 1973 South African Formula One Championship Formula Three Lombank Formula 3 Championship (British F3) Tony Brise 1973 British Formula Three season John Player Formula 3 Championship (British F3) Tony Brise Forward Trust Formula 3 Championship (British F3) Ian Taylor Chilean Formula Three Championship Juan Carlos Silva 1973 Chilean Formula Three Championship French Formula Three Championship Jacques Laffite 1973 French Formula Three Championship Teams: Oreca German Formula Three Championship Willi Deutsch 1973 German Formula Three Championship Italian Formula Three Championship Carlo Giorgio 1973 Italian Formula Three Championship Teams: Trivellato Racing Soviet Formula 3 Championship Yuri Andreev 1973 Soviet Formula 3 Championship Formula Ford Australian Formula Ford Series John Leffler 1973 TAA Formula Ford Driver to Europe Series Brazilian Formula Ford Championship Alex Ribeiro Danish Formula Ford Championship Jac Nellemann Dutch Formula Ford 1600 Championship Roelof Wunderink German Formula Ford Championship Tibor Meray New Zealand Formula Ford Championship Dave McMillan Swedish Formula Ford Championship Håkan Dahlqvist
Rallying Series Driver/Co-Driver Season article World Rally Championship Alpine-Renault 1973 World Rally Championship season Australian Rally Championship Peter Lang 1973 Australian Rally Championship Co-Drivers: Warwick Smith British Rally Championship Roger Clark 1973 British Rally Championship Co-Drivers: Jim Porter Canadian Rally Championship Walter Boyce 1973 Canadian Rally Championship Co-Drivers: Doug Woods Deutsche Rallye Meisterschaft Gerd Behret Estonian Rally Championship Kaarel-Ain Viirok 1973 Estonian Rally Championship Co-Drivers: Arvi Bachmann European Rally Championship Sandro Munari 1973 European Rally Championship Co-Drivers: Mario Mannucci Finnish Rally Championship Group 1: Kyösti Hämäläinen 1973 Finnish Rally Championship Group 2: Timo Mäkinen French Rally Championship Jean-Luc Thérier Italian Rally Championship Amilcare Ballestrieri Co-Drivers: Silvio Maiga Manufacturers: Lancia Polish Rally Championship Sobiesław Zasada Scottish Rally Championship Drew Gallacher Co-Drivers: Ian Muir South African National Rally Championship Louis Cloete Co-Drivers: Christo Kuun Manufacturers: Datsun Spanish Rally Championship Jorge Babler Co-Drivers: Ricardo Antonlín
Sports car and GT Series Driver Season article World Sportscar Championship Class S: Matra 1973 World Sportscar Championship Class GT: Porsche Canadian American Challenge Cup Mark Donohue 1973 Can-Am season Australian Sports Car Championship Phil Moore 1973 Australian Sports Car Championship IMSA GT Championship Peter Gregg 1973 IMSA GT Championship
Stock car racing Series Driver Season article NASCAR Winston Cup Series Benny Parsons 1973 NASCAR Winston Cup Series Manufacturers: Chevrolet NASCAR Winston West Series Jack McCoy 1973 NASCAR Winston West Series ARCA Racing Series Ron Hutcherson 1973 ARCA Racing Series Turismo Carretera Nasif Estéfano 1973 Turismo Carretera USAC Stock Car National Championship Butch Hartman 1973 USAC Stock Car National Championship
Touring car Series Driver Season article European Touring Car Championship Toine Hezemans 1973 European Touring Car Championship Australian Touring Car Championship Allan Moffat 1973 Australian Touring Car Championship British Saloon Car Championship Frank Gardner 1973 British Saloon Car Championship Deutsche Rennsport Meisterschaft Dieter Glemser 1973 Deutsche Rennsport Meisterschaft South Pacific Touring Series Peter Brock 1973 South Pacific Touring Series
See also List of motorsport championships Auto racing