Provided is a refrigerator. The refrigerator includes a cabinet defining a storage space, a first door opening or closing the storage space, an accommodation device defining an accommodation space opened toward a front surface of the first door, a second door disposed on the first door to open or close the accommodation device, a shelf disposed on the first door, the shelf being spread to the outside of the accommodation device by the rotation thereof, and a connection assembly connecting the shelf to the second door, the connection assembly being linked with the opening of the second door to rotate the shelf. Thus, convenience of use may be improved.