The Kajiya Line (鍛冶屋線, Kajiya-sen) was a railway line of West Japan Railway Company between Nishiwaki and Taka District all within Hyōgo Prefecture, Japan.

The line closed on April 1, 1990.

The Banshū Railway (播州鉄道, Banshū Tetsudō) opened the line between 1913 and 1923.

The railway was acquired by the Bantan Railway (播丹鉄道, Bantan Tetsudō) in 1923 and nationalised in 1943 together with other Bantan Railway lines, i.e. the Kakogawa Line, the Takasago Line, the Miki Line, and the Hōjō Line.

[1] Under the operation of Japanese National Railways (JNR), freight services ceased in 1974.