Stefanie Lucia Mariëlle Luiken (born 16 May 1985) is a Dutch former backstroke swimmer.

She participated in the 2004 Summer Olympics and finished sixth with the Dutch 4×100 m medley relay team.

[1] She won a bronze medal at the 2004 European Aquatics Championships in the same event.

Luiken was born in Nijmegen, but later moved to Eindhoven to train at the Philips Sport Vereniging club.

[2] While preparing for the 2008 Olympics, she decided to retire from competitive swimming in March 2008.