Jelle Nijdam (born 16 August 1963 in Zundert, Noord-Brabant) is a Dutch former professional cyclist. Nijdam turned professional after the 1984 Summer Olympics in Los Angeles. He participated in the Tour de France 10 times, winning six stages and wearing the yellow jersey for three days. Nijdam's father, Henk Nijdam, was a professional cyclist from 1962 to 1969, who won the 1961 world amateur track pursuit championship. He also competed in the individual pursuit and team pursuit events at the 1984 Summer Olympics.