Disclosed is an adjustable wrench including a handle and a working portion. The working portion includes an adjusting device and at least two jaws. The jaws are distributed along the circumferential direction of the working portion, and the adjusting device is arranged such as to adjust the jaws to simultaneously move in a radial direction of the working portion, closer to or away from the center of the working portion, that is, the jaw opening defined by the plurality of jaws are adjustable. The adjustable wrench provided by the invention is adapted for workpieces of various specifications, and can realize rapid adjustment.