The Izukyū Corporation (伊豆急行株式会社, Izu Kyūkō kabushiki gaisha, lit.

The company operates the Izu Kyūkō Line train service on Izu Peninsula in Shizuoka Prefecture, and has subsidiary operations involved in taxi and bus services, as well as real estate and leisure resort development and a cable television network.

The Tokyu Corporation began preliminary work on a train line connecting Itō Station, the terminus of the Japanese National Railways' Itō Line, with Shimoda, at the southern tip of the Izu Peninsula in 1956.

Izukyū Corporation was listed in the Second Section of the Tokyo Stock Exchange from November 1, 1972.

However, it was delisted on October 1, 2004 and returned to the status of a fully owned subsidiary of the Tokyu Corporation.