JJ Lehto Formula One results at Monaco
| Year | Race # | Start | Finish | Car # | Team | Chassis | Engine | Tyre | Owner | Qualifying Time | Laps | X Led | Laps Led | Status | Points |
| 1990 | 4 | 26 | 11 | 36 | Monteverdi Onyx Formula | Onyx ORE-2 | Ford DFR | Goodyear | Onyx | 1:25.508 | 52 | 0 | 0 | gearbox | 0 |
| 1991 | 4 | 13 | 11 | 22 | Scuderia Italia SpA | Dallara 191 | Judd GV | Pirelli | Scuderia Italia | 1:23.023 | 75 | 0 | 0 | +3 laps | 0 |
| 1992 | 6 | 20 | 9 | 21 | Scuderia Italia SpA | Dallara 192 | Ferrari Type 037 | Goodyear | Scuderia Italia | 1:23.862 | 76 | 0 | 0 | +2 laps | 0 |
| 1993 | 6 | 11 | 23 | 30 | Sauber AG | Sauber C12 | Sauber 2175 | Goodyear | Sauber | 1:23.715 | 23 | 0 | 0 | accident | 0 |
| 1994 | 4 | 17 | 7 | 6 | Mild Seven Benetton Ford | Benetton B194 | Ford ECA Zetec-R | Goodyear | Benetton | 1:22.679 | 77 | 0 | 0 | +1 lap | 0 |
