The Ōfunato Line is a local railway line in Iwate Prefecture, Japan, operated by the East Japan Railway Company. It originally connected Ichinoseki Station in Ichinoseki to Sakari Station in Ōfunato, on the Tohoku coast.

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.