Kōsei

Kōsei, Kosei or Kousei may refer to:

Places

 * Kōsei, Shiga, a former town in Kōka District, Shiga, Japan

Transport

 * Kosei Line, a railway line in Japan
 * Kōsei Station, a train station in Konan, Shiga, Japan

People

 * Charlie Kosei (born 1950), Japanese musician
 * Kosei Akaishi (赤石 光生), Japanese sport wrestler
 * Kosei Egawa (恵川 光生), Japanese Paralympic swimmer
 * Kosei Gushiken (born 1942), Japanese triple jumper
 * Kōsei Hirota (born 1951), Japanese voice actor
 * Kosei Inoue (born 1978), Japanese judoka
 * Kosei Ishigami (石神 幸征), Japanese footballer
 * Kosei Kitauchi (born 1974), Japanese football player
 * Kosei Nakamura (中村 幸聖), Japanese footballer
 * Kosei Ono (born 1987), Japanese rugby player
 * Kosei Shibasaki (born 1984), Japanese football player
 * Kōsei Tomita (born 1936, dead 2020), Japanese voice actor
 * Kosei Yamaguchi (山口 浩勢), Japanese long-distance runner