Cornelis "Kees" Hendricus van Wonderen (born 4 January 1969) is a retired Dutch footballer.
van Wonderen was born in Bergen, North Holland, and played professional football for NEC Nijmegen, NAC Breda and Feyenoord Rotterdam.
While at Feyenoord, Van Wonderen won the Dutch league in 1999 and the UEFA Cup 2001-02, as the Dutch beat Borussia Dortmund 3-2 in the final at De Kuip.
He also won 5 caps for the Netherlands national football team.