A refrigerator including a main body having a storeroom, an inner door rotatably coupled to the main body and having a door opening, an outer door rotatably arranged in front of the inner door to open or close the door opening, a dispenser including a water-intake space and an operation lever and configured to supply water to the water-intake space by manipulation of the operation lever, and an automatic water supplier including a water container installation space formed to have a water container mounted and a water level sensor configured to detect a water level of the water container, and configured to supply water into the water container to fill the water container with a certain amount of water. The water-intake space and the water container installation space may be arranged in the door opening of the inner door to be accessed while the inner door is closed.