The KiHa 122 series and KiHa 127 series are diesel multiple unit (DMU) train types operated by West Japan Railway Company (JR-West) on the Kishin Line between Himeji and Kōzuki. A total of 19 cars have been delivered, formed as seven single-car KiHa 122 series units and six two-car KiHa 127 series units. Test-running commenced in late September 2008, with the units entering revenue-earning service from the start of the revised timetable on 14 March 2009.

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.