Yana Oleksandrivna Klochkova (Ukrainian: Яна Олександрівна Клочкова; born 7 August 1982) is a Ukrainian swimmer, who has won five Olympic medals in her career, with four of them being gold. She is Merited Master of Sports (1998),[1] Hero of Ukraine (2004).[1] Klochkova was the most awarded Olympian from Ukraine until in 2024 fencer Olga Kharlan overtook her.[2][3]
Yana Klochkova set 50 Ukrainian records in 25- and 50-meter swimming pools at distances of 100, 200, 400 meters with integrated swimming; 200, 400 and 800 meters freestyle; 100 and 200 meters on the back; 200 meters butterfly and relay swimming. At the Olympic Games in Sydney, she set a world record in a 400-meter medley swimming and a European record in a 200-meter medley swimming.