Bart Aernouts (born 5 June 1984) is a Belgian professional long-distance triathlete.

[1] He won a silver medal at the 2018 Ironman World Championship.

He also competes in the duathlon, having won the 2010 ITU Duathlon World Championships.

[2] In 2021, Bart Aernouts booked his 9th straight trip to Kona where Ironman World Championship is held every year.

This biographical article related to a Belgian athlete known for competing in triathlons is a stub.