Ri Byong-uk (born November 7, 1954) is a retired North Korean boxer, who won two Olympic medals in the men's Light Flyweight (48 kg) category.

1976

• Defeated Sidney McKnight (Canada) KO 1
• Defeated Henryk Średnicki (Poland) 3-2
• Defeated Armando Guevara (Venezuela) 3-2
• Defeated Payao Poontarat (Thailand) RSC 2
• Lost to Jorge Hernández (Cuba) 1-4

1980

• Defeated Henryk Pielesiak (Poland) 3-2
• Defeated Gilberto Sosa (Mexico) 3-2
• Defeated Dumitru Şchiopu (Romania) 4-1
• Lost to Shamil Sabirov (Soviet Union) 0-5

• Evans, Hilary; Gjerde, Arild; Heijmans, Jeroen; Mallon, Bill; et al. "Li Byong-Uk". Olympics at Sports-Reference.com. Sports Reference LLC. Archived from the original on 2020-04-17.