The 1988 British Formula Three season was the 38th season of the British Formula Three Championship. JJ Lehto took the BARC/BRDC Lucas British Formula 3 Championship.
Champion: 
JJ Lehto
Runner Up: 
Gary Brabham
Class B Champion: 
Alastair Lyall[1]
| Date | Race | Circuit | Winning driver | Winning team | Winning car |
|---|---|---|---|---|---|
| 07/08/88 | Scottish Superprix | Knockhill | Gary Brabham | Jack Brabham Racing | Ralt RT32-Volkswagen |
| 09/10/88 | Cellnet Superprix | Brands Hatch | Gary Brabham | Bowman Racing | Ralt RT32-Volkswagen |
| Source:[3] | |||||
| Place | Driver | Entrant | Car | Total |
|---|---|---|---|---|
| 1 | JJ Lehto | Pacific Racing Team | Reynard 883-Toyota | 113 |
| 2 | Gary Brabham | Bowman Racing | Ralt RT32-Volkswagen | 81 |
| 3 | Damon Hill | Cellnet Ricoh Racing/Intersport Team | Ralt RT32-Toyota | 57 |
| 4 | Martin Donnelly | Cellnet Ricoh Racing/Intersport Team | Ralt RT31-Toyota Ralt RT32-Toyota | 54 |
| 5 | Eddie Irvine | West Surrey Racing | Ralt RT32-Alfa Romeo | 53 |
| 6 | Ross Hockenhull | Bowman Racing | Ralt RT32-Volkswagen | 22 |
| 7 | John Alcorn | Middlebridge Racing | Reynard 883-Toyota | 18 |
| 8 | Paul Warwick | Eddie Jordan Racing | Reynard 883-Volkswagen | 18 |
| 9 |  Philippe Favre | Alan Docking Racing | Reynard 883-Alfa Romeo | 17 |
| 10 | Jonathan Bancroft | Madgwick Motorsport | Reynard 883-Alfa Romeo | 13 |
| 11 | Jason Elliott | Eddie Jordan Racing | Reynard 883-Volkswagen | 7 |
| 12 | Alain Menu | Anglia Cars Racefax | Ralt RT32-Volkswagen | 4 |
 Roland Ratzenberger | Madgwick Motorsport | Reynard 883-Alfa Romeo | 4 | |
| 14 |  António Simões | West Surrey Racing | Ralt RT32-Alfa Romeo | 3 |
 Peter Kox | Intersport Racing | Ralt RT32-Toyota | 3 | |
| 16 |  Rickard Rydell | Picko Troberg Racing | Reynard 883-Toyota Ralt RT32-Volkswagen | 1 |
| Source:[4] | ||||
| Place | Driver | Entrant | Car | Total |
|---|---|---|---|---|
| 1 | Alastair Lyall | Swallow Racing | Reynard 873-Volkswagen | 93 |
| 2 | Rowan Dewhurst | Reynard 873-Volkswagen | 91 | |
| 3 | Jack Brabham Racing | Ralt RT31-Volkswagen | 58 | |
| 4 | John Penfold | Jack Brabham Racing | Ralt RT31-Volkswagen | 50 |
| 5 | Scott Stringfellow | Jim Lee Racing | Reynard 873-Volkswagen | 39 |
| 6 | Gary Ward | RGS Racing | Reynard 873-Volkswagen | 20 |
| 7 | Craig Simmis | CS Engineering | Reynard 873-Volkswagen | 15 |
| 8 | Ringo Hine | NSG Trenchwood | Reynard 873-Volkswagen | 12 |
| 9 | Steve Pettit | Jupiter Racing | Reynard 873-Volkswagen | 11 |
| 10 | Don Hardman | Don Hardman | Reynard 873-Volkswagen | 9 |
| Steve Bottoms | Vixen Racing | Reynard 873-Volkswagen/Spiess | 9 | |
| 12 | Tomas Mezera | Peter Lea Racing | Reynard 873-Volkswagen | 8 |
| 13 | David Germain | Industrial Process | Reynard 873-Volkswagen | 7 |
| Richard Reynolds | Eddie Jordan Racing | Reynard 873-Volkswagen | 7 | |
| Robert Amrén | Alan Docking Racing | Reynard 873-Volkswagen | 7 | |
| 16 | Gil de Ferran | Techspeed Racing | Reynard 873-Volkswagen | 6 |
| 17 | Sean Walker | Techspeed Racing | Reynard 873-Volkswagen | 4 |
| Paul Smith | Techspeed Racing | Reynard 873-Volkswagen | 4 | |
| 19 | Robert Murphy | Jim Lee Racing | Reynard 873-Volkswagen | 3 |
| 20 | Eddie Kimbell | Peter Lea Racing | Reynard 873-Volkswagen | 2 |
| Gary Thomas | Richard Dutton Racing | Reynard 873-Volkswagen | 2 | |
| Duncan Grey | CS Engineering | Reynard 873-Volkswagen | 2 | |
| Geoff Janes | Autospeed Tyres | Reynard 873-Volkswagen | 2 | |
| 24 | John Robinson | Jack Brabham Racing | Ralt RT31-Volkswagen | 1 |
| Ronnie Grant | Ronnie Grant | Ralt RT30-Volkswagen | 1 | |
| Guido Basile | Terropol Promotions | Ralt RT30-Volkswagen | 1 | |
| Source:[5] | ||||
