Tia Hellebaut (; born 16 February 1978 in Antwerp) is a retired Belgian track and field athlete, as well as a chemist, who started out in her sports career in the heptathlon, and afterwards specialized in the high jump event.
Tia Hellebaut, a former Belgian track and field athlete, was known for her expertise in both the heptathlon and high jump events. She retired from athletics after dedicating herself to chemistry.