Lucas Henveaux (born 25 September 2000), is a Belgian competitive swimmer who specializes in freestyle events.

He is the son of André Henveaux and Els Gitsels.

[1] His father is a swimming coach at Liege Natation, a club he founded on May 12, 1987.

[1] He won the bronze medal in the 400 meter freestyle at the 2023 European Short Course Swimming Championships in Otopeni, Romania.

[2] In 2023 also, he qualified for the 400 m freestyle at the 2024 Summer Olympics in Paris, France.