Andrius Šidlauskas (born 6th of April 1997) is a Lithuanian breaststroke swimmer. In 2015 Šidlauskas won gold and bronze in 2015 FINA World Junior Swimming Championships. In 2016 he qualified for the 2016 Summer Olympics. In 2019, he represented Lithuania at the 2019 World Aquatics Championships held in Gwangju, South Korea.