A refrigerator door having a dispenser is disclosed. The refrigerator door includes an outer case forming a front appearance of the refrigerator door, an inner case forming a rear appearance of the refrigerator door, and an insulation layer disposed between the outer case and the inner case. First and second mounting frames are installed at both side ends of the refrigerator door and have first and second mounting slots longitudinally formed in the first and second mounting frames in opposition to each other. The dispenser is detachably coupled to a front surface of the outer case and includes a housing, which forms an external appearance of the dispenser and is formed with a recess section. An external plate section is coupled to the front surface of the outer case except for an area in which the dispenser is installed, forming an external appearance of the refrigerator door.