Kōkichi, Kokichi or Koukichi (written: 幸吉, 小吉, 浩吉 or 鋼吉) is a masculine Japanese given name. Notable people with the name include:
Kokichi Akune (阿久根 鋼吉) (born 1974), Japanese baseball player
Katsu Kokichi (勝 小吉) (1802–1850), Japanese samurai
Kokichi Kimura (木村 浩吉) (born 1961), Japanese footballer and manager
Kizu Kōkichi (木津 幸吉) (1830–1895), Japanese photographer
Mikimoto Kōkichi (御木本 幸吉) (1858–1954), Japanese businessman and inventor
Kokichi Nishimura (西村 幸吉) (born 1919), Japanese soldier and businessman
Kōkichi Tsuburaya (円谷 幸吉) (1940–1968), Japanese long-distance runner
Ukita Kōkichi (浮田 幸吉) (1757–1847), Japanese aviation pioneer
