Kaizuka may refer to: Kaizuka, Osaka, a city located in Osaka Nishitetsu Kaizuka Line, a Japanese railway line in Fukuoka prefecture 7475 Kaizuka, an asteroid A cultivar of Juniperus chinensis tree Hiroshi Kaizuka, manga artist; see List of series run in Weekly Shōnen Sunday Hiroko Kaizuka, a character in the manga series Shadow Star