| Event: | Men's middleweight boxing |
| Games: | 1920 Summer |
| Venue: | Antwerp Zoo auditorium |
| Dates: | August 21–24 |
| Competitors: | 17 |
| Nations: | 9 |
| Gold: | Harry Mallin |
| Goldnoc: | GBR |
| Silver: | Georges Prud'Homme |
| Silvernoc: | CAN |
| Bronze: | Moe Herscovitch |
| Bronzenoc: | CAN |
| Prev: | 1908 |
| Next: | 1924 |
The men's middleweight event was part of the boxing programme at the 1920 Summer Olympics. The weight class was the third-heaviest contested, and allowed boxers of up to 160 pounds (72.6 kilograms). The competition was held from August 21, 1920, to August 24, 1920. 17 boxers from nine nations competed.[1]