A refrigerator includes: an outer case forming an exterior of the refrigerator; an inner case provided in the outer case and including a first inner wall and a second inner wall opposite to the first inner wall; and an ice maker mounted on the inner case and configured to produce ice, the ice maker including an ice making case and an ice making cover covering an upper side of the ice making case, wherein the ice making case is supported by the first inner wall and the second inner wall, and the ice making cover is detachably coupled to the ice making case and configured to support an item on an upper side of the ice making cover.