Koos Waslander (born 3 February 1957) is a Dutch football coach and former player.
He was most recently head coach of Dutch Tweede Klasse club RBC.
Born in Rotterdam, Waslander played in the Netherlands and the United States for Excelsior, Fort Lauderdale Strikers, NAC Breda, PEC Zwolle and DS'79.
In the final, won 3-0 by New York Cosmos in September 1980, he entered the match as a substitute five minutes before half-time for the injured German striker Gerd Müller.
[13] Waslander coached numerous teams in the Netherlands after his retirement, most notably VV Spijkenisse,[1] Leonidas,[7] and RBC.