Olivia Borlée (born 10 April 1986 in Woluwe-Saint-Lambert) is a retired Belgian sprinter who specialized in the 200 metres.

She won a gold medal in the 4x100 m relay at the 2008 Summer Olympics with teammates Hanna Mariën, Élodie Ouédraogo, and Kim Gevaert in a time of 42.54 seconds, which set a new Belgian record.

In their first round heat, they placed first in front of Great Britain, Brazil, and Nigeria.

[6] The progenitor of the Borlee family is Jacques, bronze medalist at the 1983 European Indoor Championships in Budapest on 200 m, while his first wife Edith Demaertelaere was a good sprinter with a personal best of 23.89.

The four sons are all 400 m specialists, the twins Jonathan and Kevin, both Olympic finalists in London 2012, Dylan and the youngest Rayane.