Yoshikazu Nagahama (長浜 芳和, Nagahama Yoshikazu) (1921-1943) was a fighter ace in the Imperial Japanese Navy (IJN) during World War II. He became ace in a day during the Attack on Darwin, where he first destroyed one US Navy PBY Catalina flying boat and then single-handedly engaged five, and shot down four, US Army Air Force P-40 Warhawk fighters.