A refrigerator having a dispenser, comprising: a main body having a cooling chamber and a door that is movable to open and close at least a portion of the cooling chamber; a container accommodating unit that is positioned on a front surface of the door and that defines, within the door, a dispensing cavity able to accommodate at least partial insertion of a container into which content is dispensed, the front surface of the door being a surface of the door that is oriented opposite the cooling chamber when the door is in a closed position; a communication chute (113,213,313,413) that passes through the front surface of the door and that is configured to guide content to the dispensing cavity defined by the container accommodating unit; an obstruction unit (130,230,330,430) disposed in the container accommodating unit, and movable, about a plane perpendicular to the front surface of the door, between at least two positions, including a first position in which content guided by the communication chute (113,213,313,413) is relatively obstructed by the obstruction unit (130,230,330,430) and a second position in which content guided by the communication chute (113,213,313,413) is relatively unobstructed by the obstruction unit (130,230,330,430), wherein the obstruction unit (130,230,330,430) comprises: an obstruction member (131,231,331,431) movable, about the plane perpendicular to the front surface of the door, between the first position in which the obstruction member (131,231,331,431) covers an outlet of the communication chute (113,213,313,413) and the second position in which the obstruction member (131,231,331,431) does not cover the outlet of the communication chute (113,213,313,413); characterized in that the obstruction unit further comprises: a rotation shaft (132,232,332,432) coupled to the obstruction member (131,231,331,431); and a driving unit configured to transfer a rotation force to the rotation shaft (132,232,332,432) and, thereby, cause the obstruction member (131,231,331,431) to rotate, in the horizontal plane perpendicular to the front surface of the door, between the first position and the second position. a main body having a cooling chamber and a door that is movable to open and close at least a portion of the cooling chamber; a container accommodating unit that is positioned on a front surface of the door and that defines, within the door, a dispensing cavity able to accommodate at least partial insertion of a container into which content is dispensed, the front surface of the door being a surface of the door that is oriented opposite the cooling chamber when the door is in a closed position; a communication chute (113,213,313,413) that passes through the front surface of the door and that is configured to guide content to the dispensing cavity defined by the container accommodating unit; an obstruction unit (130,230,330,430) disposed in the container accommodating unit, and movable, about a plane perpendicular to the front surface of the door, between at least two positions, including a first position in which content guided by the communication chute (113,213,313,413) is relatively obstructed by the obstruction unit (130,230,330,430) and a second position in which content guided by the communication chute (113,213,313,413) is relatively unobstructed by the obstruction unit (130,230,330,430), wherein the obstruction unit (130,230,330,430) comprises: an obstruction member (131,231,331,431) movable, about the plane perpendicular to the front surface of the door, between the first position in which the obstruction member (131,231,331,431) covers an outlet of the communication chute (113,213,313,413) and the second position in which the obstruction member (131,231,331,431) does not cover the outlet of the communication chute (113,213,313,413); characterized in that the obstruction unit further comprises: a rotation shaft (132,232,332,432) coupled to the obstruction member (131,231,331,431); and a driving unit configured to transfer a rotation force to the rotation shaft (132,232,332,432) and, thereby, cause the obstruction member (131,231,331,431) to rotate, in the horizontal plane perpendicular to the front surface of the door, between the first position and the second position. a rotation shaft (132,232,332,432) coupled to the obstruction member (131,231,331,431); and a driving unit configured to transfer a rotation force to the rotation shaft (132,232,332,432) and, thereby, cause the obstruction member (131,231,331,431) to rotate, in the horizontal plane perpendicular to the front surface of the door, between the first position and the second position.