Greece competed with 14 athletes at the 1904 Summer Olympics in St. Louis, United States. Greek athletes have competed in every Summer Olympic Games.
Medalists
| Medal | Name | Sport | Event | Date |
|---|---|---|---|---|
 Gold
|
Perikles Kakousis | Weightlifting | Men's two hand lift | September 3 |
 Bronze
|
Nikolaos Georgantas | Athletics | Men's discus throw | September 3 |
Results by event
Athletics
| Event | Place | Athlete | Final |
|---|---|---|---|
| Men's marathon | 5th | Dimitrios Veloulis | Unknown |
| 10th | Christos Zechouritis | Unknown | |
| 14th | Andrew Oikonomou | Unknown | |
| — | Georgios Drosos | Did not finish | |
| Charilaos Giannakas | Did not finish | ||
| Ioannis Loungitsas | Did not finish | ||
| Georgios Louridas | Did not finish | ||
| Petros Pipiles | Did not finish | ||
| Georgios Vamkaitis | Did not finish | ||
| Men's shot put | — | Nikolaos Georgantas | Disqualified |
| Men's discus throw | 3rd | Nikolaos Georgantas | 37.68 metres |
Tug of war
| Event | Place | Player | Quarterfinals | Semifinals | Final | Silver medal semifinal | Silver medal match |
|---|---|---|---|---|---|---|---|
| Men's tug of war | 5th | Pan-Hellenic[1] | Lost to SW Turnverein |
did not advance | |||
Weightlifting
| Event | Place | Lifter | Lift |
|---|---|---|---|
| Men's two hand lift | 1st | Perikles Kakousis | 111.70 |