Denis Tarasov (born 31 July 1993) is a Paralympic swimmer from Russia competing mainly in category S8 events. At the 2012 Summer Paralympics in London he won five medals, including gold in the 50 metre freestyle S8 event. He has represented Russia at two IPC World Championships with a total of 12 medals. At the 2015 IPC Swimming World Championships in Glasgow he set four world records, two as part of Russian relay teams and two individual records, in the 50m and 100m freestyle S8 events.