Provided is a refrigerator. The refrigerator includes: a cabinet including an outer case, an inner case disposed inside the outer case and defining a storage space, and an insulating material filled between the outer case and the inner case; a door pivotably connected to a front surface of the cabinet and selectively opening/closing a storage compartment; a shelf assembly including a shelf supporting arm fixed to a real surface of the inner case and a shelf connected to the shelf supporting arm so as to be slidably movable; and a withdrawal device connected to the door and withdrawing the shelf forward in accordance with pivoting of the door for opening the storage space. Here, the withdrawal device includes: a slide member held in a space between the outer case and the inner case; a link member including a front end portion connected to the door and a rear end portion connected to the slide member; and a connection member connecting the slide member and the shelf.