Dzmitry Siarhieyevich Asanau (; born 18 May 1996) is a Belarusian professional boxer. In 2015, he won a silver medal at the European Games and a bronze at the world championships. He competed in the bantamweight event at the 2016 Summer Olympics, but was eliminated in the round of 16.
After winning his first seven fights as a professional, Asanau signed a promotional contract with Eye of the Tiger.
He defeated MatÃÂas Rueda via fifth round technical knockout to win the vacant WBC Continental Americas lightweight title at Montreal Casino in Montreal, Canada, on 7 November 2024.
At the same venue, Asanau made the first defense of the title against Francesco Patera on 10 April 2025, securing a unanimous decision win.
He retained the title for a second time, and added the vacant IBF Inter-Continental lightweight championship to his collection, with a third round knockout of Laid Douadi, again at Montreal Casino, on 4 September 2025.
Once more at Montreal Casino, Asanau is scheduled to face Claudio Daneff on 5 February 2026.