Karin Heyninck received her training at the Royal Ballet School of Antwerp under the direction of Jeanne Brabants.
She was a soloist with the Royal Ballet of Flanders, the Nederlands Dans Theater under the direction of Jiri Kylian and the English National Ballet under the direction of Peter Schaufuss.
Many internationally renowned choreographers have created ballets on her and she has danced in ballets of a very broad repertoire.
Karin Heyninck was the director of Dance School de Eik in Antwerp.
Since 2006 she has been active as a choreographer and teacher of classical dance at the Kunsthumaniora in Antwerp, Belgium.