The Tokyu Corporation a contraction of and formerly Tōkyō Kyūkō Dentetsu kabushiki gaisha until 2 September 2019, is a Japanese keiretsu or conglomerate headquartered in Shibuya, Tokyo. While a multinational corporation, its main operation is the Tokyu Railways Company, Ltd. , a wholly-owned subsidiary operating railways in the Greater Tokyo Area.

Keikyu Corporation , also known as Keihin Kyūkō (京浜急行) or, more recently, Keikyū (京急), is a private railroad that connects inner Tokyo to Kawasaki, Yokohama, Yokosuka and other points on the Miura Peninsula in Kanagawa Prefecture. It also provides rail access to Haneda Airport in Tokyo. Keihin (京浜) means the Tokyo (東京) - Yokohama (横浜) area. The company's railroad origins date back to 1898, but the current company dates to 1948. The railway pioneered Kantō region's first electric train and the nation's third, after Hanshin Electric Railway and Nagoya Electric Railway (Meitetsu) with the opening of a short 2 km (1.2 mi) long section of what later became the Daishi Line in January 1899.