The present invention relates a refrigerator comprising: a main body having at least one refrigerating compartment; a door to open and close an opening of the refrigerating compartment; a water dispenser provided on the door to supply drink water; a drawer provided inside the refrigerating compartment; and a filter assembly disposed behind the drawer to filtrate water supplied to the water dispenser. Thus, the present invention provides the refrigerator that has the more available space and in which the filter assembly can be exchanged by the user with ease. Further, the present invention provides the refrigerator that has the better appearance inside the cooling compartment and in which cost for the filter assembly is reduced.