| Event: | Men's modern pentathlon |
| Games: | 1920 Summer |
| Venue: | Olympisch Stadion |
| Dates: | August 24–27, 1920 |
| Competitors: | 23 |
| Nations: | 8 |
| Gold: | Gustaf Dyrssen |
| Goldnoc: | SWE |
| Silver: | Erik de Laval |
| Silvernoc: | SWE |
| Bronze: | Gösta Runö |
| Bronzenoc: | SWE |
| Prev: | 1912 |
| Next: | 1924 |
At the 1920 Summer Olympics in Antwerp, a single modern pentathlon event was contested.[1] As in 1912, Swedish athletes won all three medals.
A total of 23 athletes from 8 nations competed at the Antwerp Games:
| Rank | Athlete | Riding | Fencing | Shooting | Swimming | Running | Score | ||
|---|---|---|---|---|---|---|---|---|---|
| bgcolor=gold | 1 | 6 | 2 | 2 | 6 | 2 | 18 | ||
| bgcolor=silver | 2 | 1 | 13 | 5 | 1 | 3 | 23 | ||
| 3 | 4 | 1 | 16 | 5 | 1 | 27 | |||
| 4 | 13 | 5 | 10 | 13 | 5 | 46 | |||
| 5 | 12 | 7 | 3 | 7 | 18 | 47 | |||
| 6 | 5 | 12 | 13 | 14 | 4 | 48 | |||
| 7 | 10 | 3 | 21 | 9 | 8 | 51 | |||
| 8 | 3 | 8 | 9 | 11 | 20 | 51 | |||
| 9 | 14 | 4 | 14 | 8 | 17 | 57 | |||
| 10 | 11 | 16 | 4 | 15 | 11 | 57 | |||
| 11 | 17 | 14 | 15 | 10 | 12 | 60 | |||
| 12 | 8 | 20 | 18 | 3 | 15 | 61 | |||
| 13 | 2 | 10 | 20 | 19 | 13 | 62 | |||
| 14 | 8 | 9 | 17 | 22 | 6 | 65 | |||
| 15 | 15 | 11 | 12 | 16 | 7 | 66 | |||
| 16 | 19 | 22 | 6 | 4 | 10 | 67 | |||
| 17 | 22 | 15 | 8 | 17 | 9 | 69 | |||
| 18 | 18 | 21 | 1 | 2 | 22 | 71 | |||
| 19 | 20 | 18 | 19 | 12 | 21 | 72 | |||
| 20 | 7 | 17 | 22 | 20 | 14 | 77 | |||
| 21 | 16 | 6 | 11 | 18 | 16 | 78 | |||
| 22 | 21 | 19 | 11 | 21 | 19 | 91 | |||
| — | DNF |