A refrigerator comprising: a freezing compartment; a freezing compartment door that opens and closes the freezing compartment, including an outer case defining a front external appearance of the freezing compartment; and a door liner connected to the outer case; an ice maker defining a space to make ice and support the ice; a supporter rotatably supporting the ice maker; an ice bin disposed at the rear of the freezing compartment door, the ice bin storing ice; and an operating unit disposed at the rear of the freezing compartment door, the operating unit being operated to discharge the ice from the ice bin; an ice dispenser separably mounted to the door liner; a support unit where the ice bin and the supporter are placed, the support unit supporting the ice bin and being separably mounted to the door liner; an ice duct that provides an opening for movement of the ice and formed through a bottom of the support unit; a sensing unit configured to sense the operation of the operating unit, a motor assembly mounted to the support unit and selectively connected with the ice bin, housings (320, 330) supporting and protecting the operating unit, including a first housing combined with the door liner and a second housing combined with the first housing and rotatably supporting the operating unit, the first housing having an opening (321,) through which the operation unit passes, and the second housing being connected to the lower portion of the first housing and including an opening through which the operation unit passes, wherein the operating unit is provided on the ice dispenser and includes a body having a channel communicated with the ice bin and a lever extended from the bottom of the body. a freezing compartment; a freezing compartment door that opens and closes the freezing compartment, including an outer case defining a front external appearance of the freezing compartment; and a door liner connected to the outer case; an ice maker defining a space to make ice and support the ice; a supporter rotatably supporting the ice maker; an ice bin disposed at the rear of the freezing compartment door, the ice bin storing ice; and an operating unit disposed at the rear of the freezing compartment door, the operating unit being operated to discharge the ice from the ice bin; an ice dispenser separably mounted to the door liner; a support unit where the ice bin and the supporter are placed, the support unit supporting the ice bin and being separably mounted to the door liner; an ice duct that provides an opening for movement of the ice and formed through a bottom of the support unit; a sensing unit configured to sense the operation of the operating unit, a motor assembly mounted to the support unit and selectively connected with the ice bin, housings (320, 330) supporting and protecting the operating unit, including a first housing combined with the door liner and a second housing combined with the first housing and rotatably supporting the operating unit, the first housing having an opening (321,) through which the operation unit passes, and the second housing being connected to the lower portion of the first housing and including an opening through which the operation unit passes, wherein the operating unit is provided on the ice dispenser and includes a body having a channel communicated with the ice bin and a lever extended from the bottom of the body.