All the outstanding performances by Melbourne Grammar Olympians throughout the history of the Games are worthy of celebration. The sportspeople below include some with World Championships to their names. All can claim their place as being among the best of the best.
| Name | Event | Games | Medal |
| Edwin Flack (OM 1890) | Athletics, 800m • 1500m | 1896 Athens | Gold (800m & 1500m) |
| Tennis | 1896 Athens | Bronze (Doubles) | |
| John Campbell (OM 1918) | Rowing, Men’s Eight | 1920 Antwerp | Silver |
| Fred Woodhouse (OM 1929) | Athletics, Pole Vault | 1936 British Empire Games | Bronze |
| Lachlan Dreher (OM 1984) | Hockey | 1992 Barcelona | Silver |
| Hockey | 1996 Atlanta | Bronze | |
| Hockey | 2000 Sydney | Bronze | |
| Ben Dodwell (OM 1989) | Rowing, Coxless Four | 2000 Sydney | Bronze |
| Tom King (OM 1990) | Yachting, 470 Class | 2000 Sydney | Gold |
| Danni Roche (OM 1987) | Hockey | 1996 Atlanta | Gold |
| David Crawshay (OM 1997) | Rowing, Double Scull | 2008 Beijing | Gold |
| Karsten Forsterling (OM 1997) | Rowing, Quadruple Scull | 2012 London | Bronze |
| Rowing, Quadruple Scull | 2016 Rio | Silver | |
| Jessica Morrison | Rowing, Women’s Four | 2020 Tokyo | Gold |
