Logo of the Polish Aviation Museum in Kraków

Jan Bąk (1901–1942) was a captain pilot of the Polish Army and the Polish Air Force, a bomber aviation officer during World War II. Before the war he served in the 2nd Aviation Regiment, associated with Polish military aviation of the interwar period. After the September Campaign he made his way to France and then to Great Britain, where he was incorporated into the Polish Air Force within the Royal Air Force. He served as a pilot in No. 300 Polish Bomber Squadron “Masovia”, one of the first Polish bomber units formed in the West. As part of his crew he worked with, among others, observer F/O Wacław Mosiewicz and air gunners P/O Stefan Berdys, Sgt. Paweł Krenżel and Sgt. Marian Łagodziński. The squadron carried out combat missions over occupied Europe as part of RAF bombing operations. Jan Bąk died on 16 January 1942 in Newark-on-Trent, Great Britain. The circumstances of his death are not well documented in available sources.