A refrigerator includes a cabinet that defines a first storage compartment and an opening at a front side of the first storage compartment, an inner door that is configured to open and close at least a portion of the first storage compartment and that defines a second storage compartment configured to store one or more items, an outer door configured to open and close at least a portion of the second storage compartment, a cold air supply unit configured to supply cold air to each of the first storage compartment and the second storage compartment, and a cold air duct located in the first storage compartment and configured to, based on the inner door being oriented in an open position or a closed position, selectively communicate with the cold air supply unit and the second storage compartment.