Wilmer Kousemaker (born 12 July 1985 in Tholen, Zeeland) is a Dutch footballer who plays as a midfielder for Capelle in the Dutch Topklasse. He formerly played for NAC Breda, HFC Haarlem, FC Den Bosch and FC Dordrecht. Kousemaker made his debut in professional football, being part of the NAC Breda squad in the 2003–04 season.