Tia Hellebaut (Dutch: [ˈɦɛləbɔut]; born 16 February 1978 in Antwerp) is a retired Belgian track and field athlete, who started out in the heptathlon, but afterwards specialized in the high jumpevent. She has cleared 2.05 metres both indoors and outdoors. She holds the Belgian records for heptathlon, indoor pentathlon, indoor long jump and high jump, both indoors and outdoors.