The Hachinohe Line (八戸線, Hachinohe-sen) is a railway line in the Tohoku Region of Japan, operated by East Japan Railway Company (JR East).

The line stretches 64.9 km along the Pacific Ocean coast with a total of 25 stations.

The section between Hachinohe and Same stations is also known as the Umineko Rail Hachinohe-Shinai Line (うみねこレール八戸市内線).

[1] All services on the line will be operated by KiHa E130-500 series DMUs from the start of the revised timetable on 17 March 2018.

The following year it reached Rikuchū-Yagi, and in 1930 it reached its present southern terminus of Kuji where it connected to the Sanriku Railway Kita-Rias Line, which links Kuji with Miyako in southern Iwate.