Kōyō

Kōyō, Koyo or Kouyou (written: 光洋, 光陽, 紅葉, 紅陽, 晃洋, 浩陽 or 昂洋) is a masculine Japanese given name. Notable people with the name include:


 * Kōyō Aoyagi (青柳 晃洋), Japanese baseball player
 * Kōyō Ishikawa (石川 光陽), Japanese photographer
 * Kōyō Kawanishi (川西 浩陽), Japanese astronomer
 * Musashimaru Kōyō (武蔵丸 光洋), American sumo wrestler
 * Kōyō Okada (岡田 紅陽), Japanese photographer
 * Ozaki Kōyō (尾崎 紅葉), Japanese writer
 * Koyo Sato (佐藤 昂洋), Japanese footballer