Jacobus Johannes Henricus "Jacques" Hanegraaf is a retired road bicycle racer from the Netherlands, who was a professional rider from 1981 to 1994. He twice won the Dutch title in the men's road race. His other major wins include the 1984 Amstel Gold Race. Hanegraaf later became a cycling manager, first for TVM and later for Team Bianchi and Unibet.com. He also competed in the individual road race and team time trial events at the 1980 Summer Olympics.