Provided is a refrigerator including a main body including a storage chamber, a first door rotatably coupled to the main body and having an opening, and a second door rotatably coupled to the main body and the first door to open and close the opening, wherein the first door includes a first assembly formed with the opening, a second assembly provided below the first assembly, and a coupling frame arranged between the first assembly and the second assembly for the first assembly and the second assembly rotate as a unitary body.