Klaartje Liebens (born 11 January 1995) is a Belgian retired tennis player.
Liebens won five singles titles on the ITF circuit in her career.
On 16 February 2015, she reached her best singles ranking of world No.
295.
On 20 May 2013, she peaked at No.
743 in the doubles rankings.
She made her WTA Tour debut at the 2015 Diamond Games, defeating Barbora KrejcÃková, Gioia Barbieri and Ysaline Bonaventure in the qualifying tournament for a place in the main draw.Liebens announced her retirement from professional tennis in July 2017.