Konrad Czerniak (born 11 July 1989) is a Polish competitive swimmer who has participated in the Olympics, FINA world championships, and European championships. He won ten medals at these championships, mostly in the butterfly. At the 2012 Summer Olympics, he competed in the men's 100 m butterfly and the men's 100 m freestyle, reaching the final of the butterfly and the semifinals of the freestyle. At the 2016 Summer Olympics, he competed in the men's 100 m butterfly, reaching the semifinals, and the men's medley and freestyle. References External links London 2012 Profile 1989 births Living people Polish male butterfly swimmers Olympic swimmers of Poland Swimmers at the 2012 Summer Olympics Swimmers at the 2016 Summer Olympics People from Puławy World Aquatics Championships medalists in swimming European Aquatics Championships medalists in swimming Sportspeople from Lublin Voivodeship Polish male freestyle swimmers Swimmers at the 2020 Summer Olympics 21st-century Polish people