A washing machine includes a bearing housing which is installed on a bottom surface of an outer tub, a clutch stopper which is installed on a bottom surface of the bearing housing, and a driving motor which includes a stator and a rotor which are coupled to a lower side of the clutch stopper, in which the clutch stopper includes a base portion which is disposed on the bottom surface of the bearing housing, and a fastening boss which extends from the base portion to the lower side by a predetermined length and is fastened to stator by a fastening member.