Kōhei, Kohei or Kouhei (written: 公平, 幸平, 航平, 孝平, 康平, 浩平, 耕平, 弘平 or 晃平) is a masculine Japanese given name. Notable people with the name include:
Harumafuji Kōhei (日馬富士 公平, born 1984), Mongolian sumo wrestler
Kōhei Horikoshi (堀越 耕平, born 1986), Japanese manga artist
Kouhei Kadono (上遠野 浩平, born 1968), Japanese writer
Kouhei Kumai (熊井 幸平, born 1990), Japanese actor
Kōhei Kiyasu (喜安 浩平, born 1975), Japanese actor and voice actor
Kohei Kono (河野 公平, born 1980), Japanese boxer
Kouhei Matsunaga (born 1978), Japanese musician
Kōhei Miyauchi (宮内 幸平, 1929–1995), Japanese voice actor
Kohei Nasu (那須 弘平, born 1942), Japanese judge
Kohei Nishino (西野 晃平, born 1982), Japanese footballer
Kōhei Oguri (小栗 康平, born 1945), Japanese film director and screenwriter
Kohei Otsuka (大塚 耕平, born 1959), Japanese politician
Kouhei Takeda (武田 航平, born 1986), Japanese actor
Tamaarashi Kōhei (玉嵐 孝平, 1941–1993), Japanese sumo wrestler
Kohei Tanaka (composer) (田中 公平, born 1954), Japanese composer
Kohei Tanaka (footballer) (田中 康平, born 1985), Japanese footballer
Kohei Uchima (内間 康平, born 1988), Japanese cyclist
Kōhei Uchimura (内村 航平, born 1989), Japanese artistic gymnast
Wakamiyama Kōhei (若見山 幸平, born 1943), Japanese sumo wrestler
Yasu Kōhei (屋須 弘平, 1846–1917), Japanese photographer
