The Hayabusa is a high-speed Shinkansen service operated by East Japan Railway Company and Hokkaido Railway Company between Tokyo and Shin-Hakodate-Hokuto in Japan since 26 March 2016. The name was formerly used for a limited express sleeping car service operated by JR Kyushu, which ran from Tokyo to Kumamoto, and was discontinued in March 2009.

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.