A refrigerator comprising: a cabinet defining a storage space; a door opening and closing the cabinet; and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen, wherein the transparent display assembly comprises: a front panel defining at least a portion of a front surface of the door; a rear panel defining at least a portion of a rear surface of the door; an outer spacer defining a circumferential surface of the transparent display assembly and having both ends coming into contact with the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed inside the sealed space; a light guide plate disposed to be spaced apart from the display inside the sealed space; a display light adapted to emit light to an end of the light guide plate; and a first spacer (63, 69) mounted on the rear surface of the front panel to support the light guide plate so as to allow the light guide plate to be maintained at a predetermined distance from the front panel, characterised in that a support member defining a surface coming into contact with the light guide plate is provided on the first spacer (63, 69) such that when the light guide plate is moved, scratches may not occur on the light guide plate, and wherein the support member is made of a material having hardness less than that of the light guide plate. a cabinet defining a storage space; a door opening and closing the cabinet; and a transparent display assembly which covers an opening of the door and through which an inner space of the refrigerator is seen, wherein the transparent display assembly comprises: a front panel defining at least a portion of a front surface of the door; a rear panel defining at least a portion of a rear surface of the door; an outer spacer defining a circumferential surface of the transparent display assembly and having both ends coming into contact with the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed inside the sealed space; a light guide plate disposed to be spaced apart from the display inside the sealed space; a display light adapted to emit light to an end of the light guide plate; and a first spacer (63, 69) mounted on the rear surface of the front panel to support the light guide plate so as to allow the light guide plate to be maintained at a predetermined distance from the front panel, a front panel defining at least a portion of a front surface of the door; a rear panel defining at least a portion of a rear surface of the door; an outer spacer defining a circumferential surface of the transparent display assembly and having both ends coming into contact with the front panel and the rear panel to provide a sealed space between the front panel and the rear panel; a display disposed inside the sealed space; a light guide plate disposed to be spaced apart from the display inside the sealed space; a display light adapted to emit light to an end of the light guide plate; and a first spacer (63, 69) mounted on the rear surface of the front panel to support the light guide plate so as to allow the light guide plate to be maintained at a predetermined distance from the front panel, characterised in that a support member defining a surface coming into contact with the light guide plate is provided on the first spacer (63, 69) such that when the light guide plate is moved, scratches may not occur on the light guide plate, and wherein the support member is made of a material having hardness less than that of the light guide plate.