Malene Marquard Olsen (born 2 February 1983) is a Danish football defender. She currently plays for Elitedivisionen club Brøndby IF and the Danish national team.
Olsen began her club career at Hedehusene IK. As of September 2012, Olsen had made the second most appearances for Brøndby with 247. Only Mia Brogaard had more with 327.
In 2009 Olsen played for Swedish club Tyresö FF, while working as a nurse in Stockholm.
Olsen made her debut for the senior Denmark women's national football team in February 2003; a 4–0 defeat to Norway in La Manga. In October 2011 Olsen was recalled to the national team after a five-year absence, for a UEFA Women's Euro 2013 qualifying tie with Austria. She was named in national coach Kenneth Heiner-Møller's squad for the final tournament.
