The JR Kyōto Line (JR京都線, JR Kyōto-sen) is a commuter rail line in the Osaka-Kobe-Kyoto Metropolitan Area owned and operated by West Japan Railway Company (JR West).

Commuter trains are classified in three types: In addition to the three types of commuter trains, long-distance limited express trains connecting the Kyoto-Osaka region with Kansai International Airport (Haruka services), Hokuriku region (Thunderbird services) and other areas also frequently operate on the line.

Rapid trains in the morning skip some stops between Kyoto and Takatsuki.

On 26 July 1876, the Japanese Government Railways opened the section between Ōsaka and Mukōmachi with an intermediate station at Takatsuki.

On 1 June 1949, operation of the line was taken over by Japanese National Railways (JNR).