Jacobus ("Jacques") Johannes Henricus Hanegraaf (born 14 December 1960) 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 (1981 and 1985). 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.