Results from the 1981 Monaco Grand Prix Formula Three held at Monte Carlo on May 30, 1981, in the Circuit de Monaco.
| Pos | Driver | Constructor | Laps | Time/Retired |
|---|---|---|---|---|
| 1 |  Alain Ferté | Martini MK34-Alfa Romeo | 24 | 38.21,87 |
| 2 |  Oscar Larrauri | March 813-Toyota | 24 | 38.28,15 |
| 3 | Jean-Louis Schlesser | Martini MK34-Alfa Romeo | 24 | 38.52,38 |
| 4 | Kurt Thiim | March 813-Alfa Romeo | 24 | 38.52,58 |
| 5 |  Fernando Cazzaniga | March 813-Toyota | 24 | 38.52,97 |
| 6 | Paolo Barilla | Martini MK34-Alfa Romeo | 24 | 38.59,61 |
| 7 |  Thierry Tassin | Ralt RT3-Toyota | 24 | 39.05,26 |
| 8 |  Brett Riley | Ralt RT3-Toyota | 24 | 39.32,82 |
| 9 | James Weaver | Ralt RT3-Toyota | 24 | 39.44,80 |
| 10 | Philippe Alliot | Martini MK34-Alfa Romeo | 24 | 39.47,92 |
| 11 | Guido Pardini | Dallara F381-Toyota | 24 | 39.53,74 |
| 12 | Jean-Michel Neyrial | Martini MK31-Toyota | 23 | |
| 13 | Didier Theys | Martini MK34-Alfa Romeo | 23 | |
| DNF | Philippe Streiff | Martini MK34-Alfa Romeo | 21 | |
| DNF | Enzo Coloni | Ralt RT3-Toyota | 16 | |
| DNF | Mauro Baldi | March 813-Alfa Romeo | 13 | |
| DNF | Emanuele Pirro | Martini MK34-Toyota | 4 | |
| DNF | Pierre Petit | Martini MK31-Toyota | 3 | |
| DNF | Paolo Giangrossi | Martini MK34-Toyota | 0 | |
| DNF |  Peter Schindler | Ralt RT3-Toyota | 0 | |