Ōji Station is a railway station in Ōji, Nara, Japan. Operated by West Japan Railway Company (JR-West) and Kintetsu Railway, it is one of the four oldest railway stations in Nara Prefecture, and forms a major junction in the region. The station serves the Yamatoji Line, and is the terminus for the Wakayama Line and Kintetsu Ikoma Line.

The Yamatoji Line is the common name of the western portion of the Kansai Main Line. The line is owned and operated by West Japan Railway Company, and starts at Kamo Station in Kyoto Prefecture and ends at JR Namba Station in Naniwa-ku, Osaka.