A switchable showerhead has a body, a switching device, a water-spraying device and an operating device. The body has a mounting recess, a front through hole, a rear through hole, a mounting chamber, a connecting frame, an inserting hole and an inner tube. The switching device is mounted in the body and has a holding element, a front guide base, a rear guide base and a valve stem. The valve stem is movably mounted in the guide bases. The water-spraying device is mounted in the body, communicates with the switching device and has a shell and a cover. The shell is mounted in the mounting recess. The cover is mounted on the shell and has an inserting tube and multiple spouts. The operating device is mounted on the body, is connected to the switching device and has an operating panel connected to the valve stem.