Yasuhiko Kojima (児島 泰彦, Kojima Yasuhiko; 1 September 1918 – 12 June 1945) was a Japanese swimmer. He competed in the men's 100 metre backstroke at the 1936 Summer Olympics. He was killed in action during World War II in the Battle of Okinawa.
Source: “Yasuhiko Kojima”, English Wikipedia (CC BY-SA 4.0), excerpt