Tusi se faʻaauau mo lenei parakalafa - Konstantin Yuryevich Petrov (; na fanau 16 Ianuari 1964) o se litaea Kazakhstan butterfly swimmer. Na ia manumalo i se pine apamemea i le 1988 Summer Olympics ma se pine auro i le 1987 European Aquatics Championships
i le 4 × 100 m medley relay.