Denis Petrashov (born 1 February 2000) is a Kyrgyzstani swimmer. He competed in the men's 200 metre breaststroke event at the 2016 Summer Olympics. He currently holds the Kyrgyzstani records in the all breaststroke events (long course). He is son of former three time Olympians and former breaststroke national record holder Yevgeny Petrashov.