The Kaizuka Line is an 11.0 km (6.8 mi) Japanese railway line in Fukuoka prefecture, run by the private railway operator Nishi-Nippon Railroad (Nishitetsu). It links Kaizuka Station in Higashi-ku, Fukuoka with Nishitetsu Shingū Station in Shingū. It connects to the Kashii Line of JR Kyushu at Wajiro, and the Hakozaki Line of Fukuoka City Subway at Kaizuka.