Kawasaki Heavy Industries Ltd. (KHI) is a Japanese public multinational corporation manufacturer of motorcycles, engines, heavy equipment, aerospace and defense equipment, rolling stock and ships, headquartered in Minato, Tokyo, Japan. It is also active in the production of industrial robots, gas turbines, pumps, boilers and other industrial products. The company is named after its founder, Shōzō Kawasaki. KHI is known as one of the three major heavy industrial manufacturers of Japan, alongside Mitsubishi Heavy Industries and IHI. Prior to the Second World War, KHI was part of the Kobe Kawasaki zaibatsu, which included Kawasaki Steel and Kawasaki Kisen. After the conflict, KHI became part of the DKB Group (keiretsu).

A motorcycle is a two or three-wheeled motor vehicle steered by a handlebar from a saddle-style seat.