A button assembly for a refrigerator comprises: a case having a cooling chamber, and a door for opening or closing the cooling chamber; a cover mounted to one side of the case, and provided with a plurality of button insertion openings; a substrate fixed to an inner side of the cover, and provided with a plurality of switch buttons; elastic supporters inserted into the button insertion openings of the cover, and covering the switch buttons of the substrate; and button pads coupled to the elastic supporters, and elastically supported by an elastic force of the elastic supporters when pressed by a user, for switching on/off the switch buttons. The button assembly prevents humid air from being introduced thereinto, and simplifies the components to enhance the reliability and productivity. The button assembly enhances appearance around the buttons.