Host City: Antwerpen, Belgium
Venue(s): Celebration Hall, Royal Zoological Society, Antwerpen
Date Started: August 21, 1920
Date Finished: August 24, 1920
Format: Single elimination tournament.
The flyweight division was won by Frankie Genaro, who was born Frank DiGennara. Shortly after the Olympics he turned professional and became world professional flyweight champion for several years. In the finals he won by a unanimous decision over Anders Pedersen of Denmark.
|1||Frankie Genaro||18||United States||USA||Gold|
|3||William Cuthbertson||17||Great Britain||GBR||Bronze|
|5T||Pete Zivic||19||United States||USA|
|9T||Frederic Virtue||23||Great Britain||GBR|
|9T||Nelis van Dijk||16||Netherlands||NED|