Aliaksandr Piatrovich Liakhovich (; born 4 July 1989) is a male Belarusian racewalker. He competed in the 20 kilometres walk event at the 2015 World Championships in Athletics in Beijing, China, but was disqualified. In 2019, he competed in the men's 20 kilometres walk at the 2019 World Athletics Championships held in Doha, Qatar. He finished in 40th place.