Heiko Gigler (born 17 June 1996) is an Austrian swimmer.

[1] He competed in the men's 50 metre butterfly event at the 2018 FINA World Swimming Championships (25 m), in Hangzhou, China.

[2] Gigler competed for Austria at the 2020 Summer Olympics in Tokyo, in the Men's 50 metre freestyle event, but did not advance from the preliminary round.

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