The Hisatsu Line is a railway line in Kyushu, Japan, operated by the Kyushu Railway Company. It connects Yatsushiro on the Kagoshima Main Line to Hayato station, Kirishima on the Nippo Main Line. From 1909 the line was the original rail connection from Yatsushiro to Kagoshima until the Yatsushiro – Kagoshima coastal route via Sendai opened in 1927.

The Kyushu Railway Company, also referred to as JR Kyushu , is one of the seven constituent companies of Japan Railways Group. It operates intercity rail services within Kyushu, Japan and the JR Kyushu Jet Ferry Beetle hydrofoil service across the Tsushima Strait between Fukuoka and Busan, South Korea. It also operates hotels, restaurants, and drugstores across its service region. JR Kyushu's headquarters are in Hakata-ku, Fukuoka.