A door assembly configured to open and close a storage compartment of a refrigerator. A refrigerator including a body; a storage compartment placed inside of the body and provided with an open front side, and a door assembly configured to open and close the open front side of the storage compartment. The door assembly includes a front panel forming a front side and opposite sides of the door assembly, a rear panel coupled to the opposite sides of the front panel in a rear side of the front panel, a door cap configured to cover an upper side or a lower side of the door assembly, and a connection member provided with a first connection unit coupled to the front panel and a second connection unit coupled to the door cap.