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 playerKatsu Kokichi (勝 小吉) (1802–1850), Japanese samuraiKokichi Kimura (木村 浩吉) (born 1961), Japanese footballer and managerKizu Kōkichi (木津 幸吉) (1830–1895), Japanese photographerMikimoto Kōkichi (御木本 幸吉) (1858–1954), Japanese businessman and inventorKokichi Nishimura (西村 幸吉) (born 1919), Japanese soldier and businessmanKōkichi Tsuburaya (円谷 幸吉) (1940–1968), Japanese long-distance runnerUkita Kōkichi (浮田 幸吉) (1757–1847), Japanese aviation pioneer