Li 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.
- 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 (wins silver medal)