Rostyslav Pevtsov (born 15 April 1987) is an Ukrainian-born Azerbaijani triathlete. He competed in the men's event at the 2016 Summer Olympics held in Rio de Janeiro, Brazil. Pevtsov won the 2017 Hong Kong ASTC Sprint Triathlon Asian Cup. In 2021, he competed in the men's triathlon at the 2020 Summer Olympics held in Tokyo, Japan.