Kishin Line is a railway line operated by West Japan Railway Company between Himeji, Hyōgo and Niimi, Okayama, Japan. The name of the line comes from the first kanji of Himeji (姫路) and Niimi (新見) which the line connects.

The West Japan Railway Company, also referred to as JR West , is one of the Japan Railways Group companies and operates in western Honshu. It has its headquarters in Kita-ku, Osaka. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, and is also one of only three Japan Railways Group constituents of the Nikkei 225 index: the others are JR East and JR Central. It was also listed in the Nagoya and Fukuoka stock exchanges until late 2020.