Provided is a refrigerator including a cabinet having a storage compartment provided therein, a main door pivotably mounted at the cabinet for opening and closing the storage compartment, an auxiliary storage compartment mounted at a rear of the main door, and an auxiliary door pivotably mounted over a front of the main door for opening and closing the auxiliary storage compartment. A first hinge bracket may be fixed to an upper end of the cabinet, the first hinge bracket including a rotation shaft that is coupled to an upper portion of the main door. A second hinge bracket may be fixed to an upper portion of the sub door, the second hinge bracket including a rotation shaft that is coupled to the upper portion of the main door. The rotation shaft of the second hinge bracket may be positioned more forward than the rotation shaft of the first hinge bracket.