, other romanizations include Ōnishi, Ohnishi, and Oonishi with long vowel ō, is a Japanese surname or a Japanese place name. with short vowel o, is a Japanese surname. with short vowel o, is a Japanese place name. It may refer to: With long vowel ō People Norimitsu Onishi (大西 哲光), Canadian journalist Koji Onishi (大西 孝治, born 1988), Japanese footballer Mitsugu Ōnishi (大西みつぐ, born 1952), Japanese photographer Yuka Onishi (大西結花, born 1968) Japanese actress and idol singer, known for her role in the TV series Sukeban Deka III Takijirō Ōnishi (大西 瀧治郎, 1891–1945), admiral in the Imperial Japanese Navy, known as the father of the kamikaze Junko Onishi (swimmer) (大西 順子, born 1974), swimmer from Japan, won a bronze medal at the 2000 Summer Olympics Junko Onishi (musician) (大西 順子, born 1967), Japanese post-bop jazz pianist Takashi Onishi (大西 貴, born 1971), Japanese football player Onishi Tetsunosuke (大西鐡之祐) 1916-1995), professor and coach of the Japan national rugby union team Kazumi Onishi (大西 一美, born 1948), Japanese figure skater Masayuki Onishi (大西 昌之, born 1977) Japanese football player Tadao Onishi (大西 忠生, 1943–2006) Japanese football player Yohei Onishi (大西 容平, born 1982), Japanese football player Takuya Onishi (大西 卓哉, born 1975), Japanese astronaut Yoshiaki Onishi (大西 義明, born 1981) composer, conductor, and clarinetist , Japanese rower , Japanese footballer Yuki Onishi (chef) Hiroshi Ōnishi (大西 博, 1961–2011), Japanese painter and University professor Ai Haruna (born 1972 as Kenji Ōnishi (大西 賢示)), Japanese transsexual TV personality and singer Places Ōnishi, Ehime (大西町), Japan Ōnishi Station (大西駅), a railway station in Imabari, Japan Other uses 9062 Ohnishi, asteroid With short vowel o People Places Onishi, Gunma (鬼石町), Japan Japanese-language surnames