Tia Hellebaut, Belgian high jumper and chemist
Tia Hellebaut (Dutch pronunciation: [ˈti.aː ˈɦɛləbʌut]; 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. She has cleared 2.05 metres both indoors and outdoors.

Hellebaut was the 2008 Olympic champion in the high jump. She was previously the European Champion in 2006 and then the European Indoor Champion in 2007. She won the gold medal in the pentathlon at the 2008 IAAF World Indoor Championships. In addition to these medals, she has participated at the World Championships in Athletics on four occasions.

She held the Belgian records indoor long jump and indoor pentathlon until they were broken by Nafissatou Thiam and still holds the Belgian record in both indoors and outdoors high jump.