| Medal record | ||
|---|---|---|
| Competitor for the Netherlands | ||
| Road bicycle racing | ||
| Olympic Games | ||
| Gold | 1964 Tokyo | Team time trial |
Johannes ("Jan") Aloysius Maria Pieterse (born October 29, 1942 in Oude-Tonge) is a former professional racing cyclist from the Netherlands, who won the gold medal in the Men's 100 km Team Trial at the 1964 Summer Olympics, alongside Bart Zoet, Evert Dolman, and Gerben Karstens. At the same Olympics he finished in 42nd place in the Men's Individual Road Race.