A dishwasher includes a cabinet, a tub, a door, a control panel that is disposed in one side of the door and has an operation button, a printed circuit board that is disposed inside the control panel and detects an input for the operation button, a supporter that has a mounting space in which the printed circuit board is mounted and that is disposed inside the control panel, a waterproof film that is adhered to one side of the supporter facing the control panel and blocks water inflow into the printed circuit board disposed in the mounting space, and a coating layer filled with a waterproof material, in the mounting space of the supporter on which the printed circuit board is mounted.