The Hachinohe Line is a railway line in the Tohoku Region of Japan, operated by East Japan Railway Company. It links Hachinohe Station in Hachinohe, Aomori with Kuji Station in Kuji, Iwate. 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).

The East Japan Railway Company is a major passenger railway company in Japan, the largest of the seven Japan Railways Group companies. The company name is officially abbreviated as JR-EAST or JR East in English, and as JR Higashi-Nihon in Japanese. The company's headquarters are in Yoyogi, Shibuya, Tokyo, next to Shinjuku Station. It is listed in the Tokyo Stock Exchange, is a constituent of the TOPIX Large70 index, and is one of three Japan Railways Group constituents of the Nikkei 225 index, the others being JR Central and JR West.