List of Famous people named Jan

Ján Levoslav Bella was a Slovak composer, conductor and music teacher, who wrote in the spirit of the Nationalist Romantic movement of the 19th century.

Bishop Jan Niemiec was a Polish-born Ukrainian Roman Catholic prelate, who served as an Auxiliary bishop of the Roman Catholic Diocese of Kamyanets-Podilskyi and the Titular Bishop of Decoriana since 21 October 2006 until his death on 27 October 2020.

Jan Antonín Koželuh was a Czech composer from Velvary. He was a pupil of Josef Seger and studied under the Jesuits in Brenitz. He studied in Vienna under Christoph Willibald von Gluck and Florian Gassmann. In 1784, he became a concert master in St. Vitus Cathedral for thirty years and the organist at the Strahov Monastery. His works includes 45 Masses, a Requiem, an oratorio, two operas, four symphonies, and several woodwind concertos. As one of the most respected Czech composers of his time, he also composed serious Italian operas: Allesandro nell' Indie was performed in 1769 and Demofoonte in 1772.

Johannes ("Jan") Aloysius Maria Pieterse 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.

Jan Łaski was a Polish nobleman, Grand Chancellor of the Crown (1503–10), diplomat, from 1490 secretary to Poland's King Casimir IV Jagiellon and from 1508 coadjutor to the Archbishop of Lwów.

Johannes Adrianus "Jan" Janssen is a Dutch former professional cyclist (1962–1972). He was world champion and winner of the Tour de France and the Vuelta a España, the first Dutch rider to win either. He rode the Tour de France eight times and finished all but the first time. He won seven stages and wore the yellow jersey for two days. He was easily spotted in the peloton because of his blond hair and his glasses.