Denys Olehovych Byelousov (; born 6 November 1996) is a Ukrainian professional footballer who plays as a right winger.
Byelousov is a product of the LVUFK Luhansk youth sportive school.
In 2013 he signed a contract with Ukrainian Zorya Luhansk and played in the Ukrainian Premier League Reserves until 2017.
In August 2017 he signed a one-year contract with Avanhard Kramatorsk in the Ukrainian First League. He made his debut as a start-squad player for Avanhard Kramatorsk in the Ukrainian First League in the match against Poltava on 5 August 2017.