Hiroyoshi Nishizawa

Lieutenant Junior Grade Hiroyoshi Nishizawa (西澤 広義, Nishizawa Hiroyoshi?, 27 January 1920 – 26 October 1944) was an ace of the Imperial Japanese Navy Air Service during World War II.

It is possible that Nishizawa was the most successful Japanese fighter ace of the war; he personally claimed to have had 87 aerial victories at the time of his death. Some uncertainty is due to the Japanese habit of recording victories for pilots' units, rather than the individual, after 1941, as well as the often wildly-exaggerated claims of aerial kills that were frequently accepted. Some sources credit Nishizawa with over 100 victories.