Haruna Hosoya (細谷 はるな, Hosoya Haruna; born April 23, 1973 in Kawanishi, Hyōgo) is an athlete from Japan. She competes in the triathlon. Hosoya competed at the first Olympic triathlon at the 2000 Summer Olympics. She did not finish the competition.
Source: “Haruna Hosoya”, English Wikipedia (CC BY-SA 4.0), excerpt