This list of 1988 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.
| Series | Champion | Refer |
|---|---|---|
| NHRA Winston Drag Racing Series | Top Fuel:  Joe Amato | 1988 NHRA Winston Drag Racing Series |
| Funny Car: Kenny Bernstein | ||
| Pro Stock: Bob Glidden | ||
| Pro Stock Motorcycle: Dave Schultz | ||
| Series | Driver | Season article |
|---|---|---|
| CIK-FIA Karting World Championship | FK:  Mike Wilson | |
FS100:  Emmanuel Collard | ||
FC:  Peter Rydell | ||
| CIK-FIA Junior World Cup |  Gianluca Malandrucco | |
| CIK-FIA Karting European Championship | FK: Federico Gemmo | |
S100:  Gert Munkholm | ||
| ICC: Vincenzo Saitta | ||
| ICA: Martijn Koene | ||
| World Superkart Championship | Poul Petersen | |
| Series | Driver | Season article |
|---|---|---|
| World Sports Prototype Championship | C1: Martin Brundle | 1988 World Sportscar Championship season |
| C1 Teams: Silk Cut Jaguar | ||
| C2: Gordon Spice C2: Ray Bellm | ||
| C2 Teams: Spice Engineering | ||
| IMSA GT Championship | GTP:  Geoff Brabham | 1988 IMSA GT Championship season |
| Lights: Tom Hessert | ||
| GTO: Scott Pruett | ||
| GTU: Tommy Kendall | ||
| Australian Sports Car Championship | Alan Nolan | 1988 Australian Sports Car Championship |
| Porsche Supercup, Porsche Carrera Cup, GT3 Cup Challenge and Porsche Sprint Challenge | ||
| Porsche Carrera Cup France | André Bourdon | 1988 Porsche Carrera Cup France |
| Porsche 944 Turbo Cup |  Roland Asch | 1988 Porsche 944 Turbo Cup |
| Teams: Strähle Autosport | ||
| Series | Driver | Season article |
|---|---|---|
| European Touring Car Championship | Roberto Ravaglia | |
| Asia-Pacific Touring Car Championship |  Trevor Crowe | 1988 Asia-Pacific Touring Car Championship |
| Australian Touring Car Championship | Dick Johnson | 1988 Australian Touring Car Championship |
| British Touring Car Championship | Frank Sytner | 1988 British Touring Car Championship |
| Deutsche Tourenwagen Meisterschaft | Klaus Ludwig | 1988 Deutsche Tourenwagen Meisterschaft |
| Japanese Touring Car Championship |  Hisashi Yokoshima | 1988 Japanese Touring Car Championship |
| JTC-2: Haruto Yanagida | ||
| JTC-3: Osamu Nakako | ||
| New Zealand Touring Car Championship | Trevor Crowe | |
| Stock Car Brasil |  Fábio Sotto Mayor | 1988 Stock Car Brasil season |
| TC2000 Championship |  Juan María Traverso | 1988 TC2000 Championship |
| Series | Driver | Season article |
|---|---|---|
| European Truck Racing Championship | Class A: Gérard Cuynet | 1988 European Truck Racing Championship |
| Class B: Curt Göransson | ||
| Class C: Rolf Björk | ||
| Series | Driver | Season article |
|---|---|---|
| NASCAR Winston Cup Series | Bill Elliott | 1988 NASCAR Winston Cup Series |
| Manufacturers: Chevrolet | ||
| NASCAR Busch Grand National Series | Tommy Ellis | 1988 NASCAR Busch Series |
| Manufacturers: Buick | ||
| NASCAR Busch North Series | Jamie Aube | 1988 NASCAR Busch North Series |
| NASCAR Winston West Series | Roy Smith | 1988 NASCAR Winston West Series |
| ARCA Bondo/Mar-Hyde Series | Tracy Leslie | 1988 ARCA Bondo/Mar-Hyde Series |
| International Race of Champions | Al Unser Jr. | IROC XII |
| AUSCAR | Tony Kavich | 1988 AUSCAR season |
| Turismo Carretera | Oscar Castellano | 1988 Turismo Carretera |
| Series | Driver/Co-Driver | Season article |
|---|---|---|
| World Rally Championship | Miki Biasion | 1988 World Rally Championship |
| Co-Drivers: Tiziano Siviero | ||
| Manufacturer: Lancia | ||
| FIA Cup for Production Cars |  Pascal Gaban Willy Lux | |
| New Zealand Rally Championship | Brian Stokes | 1988 New Zealand Rally Championship |
| Co-Drivers: Robert Haldane | ||
