An object of the present invention is to provide a vehicle height control device for a motorcycle which enables a vehicle height to be retained at any intermediate position and which implements instantaneously switchover of the vehicle height. A vehicle height control device for a motorcycle has vehicle height detection means for detecting the vehicle height, a selector valve that connects, by switching, a jack chamber in a hydraulic jack to an oil reservoir chamber that communicates with oil chambers in a damper tube, and control means for controlling the switching of the selector valve based on a detection result from the vehicle height detection means in order to retain the vehicle height at any position.