Kostya Tszyu
- Birthday: 9/19/1969
- Place of birth: Kabakovsk, Sverdlovsk Region, USSR (Serov, Russia)
- Fame for: Acting
- Also known as: Konstantin Borisovich Tszyu, Костя Цзю, Цзю Костя, Константин Цзю, Константин Борисович Цзю
- Social networks: Instagram
Biography
Tszyu was the first champion to unify the light welterweight division in over 30 years. He is considered by many in Australia to be a national sports hero. In Ring Magazine's March 2010 issue, Tszyu was ranked as the number one junior welterweight of the decade (2000's). On 7 December 2010, he was inducted into the International Boxing Hall of Fame for the Class of 2011.