Andrius Šidlauskas (born 6 April 1997) is a Lithuanian breaststroke swimmer.

In 2015 Šidlauskas won gold and bronze in 2015 FINA World Junior Swimming Championships.

[2] In 2019, he represented Lithuania at the 2019 World Aquatics Championships held in Gwangju, South Korea.

In his first event, 100 m breaststroke, Šidlauskas achieved the bronze medal, with a time of 59.89, but narrowly missed out on the silver medal by three-hundredths of a second (0.03) behind Poland's Jan Kulakowski.

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