Disclosed is a dispenser for a refrigerator, which enables an effective usage of the inner space of the refrigerator and enables to always provide fresh water to a user. The dispenser (50) includes: a first pipe (51) connected with a water supply source; a reservoir (52) installed inside a door of the refrigerator and connected with the first pipe (51), for temporarily storing water supplied from the water supply source; a second pipe (53) connected with the reservoir (52); and a discharging part (54) installed in the door of the refrigerator and connected with the second pipe (53), for discharging the water supplied from the reservoir (52) depending on a user's necessity.