A refrigerator is provided. The refrigerator may include a main body having at least one storage chamber, a drawer mount installed in the at least one storage chamber that guides at least one drawer provided therein so as to be inserted into and pulled out of the at least one storage chamber, a cover configured to cover an upper opening of the at least one drawer and including guide grooves formed at left and right edges of the cover and guide rails mounted in the guide grooves and formed of metal, a shelf supported by the cover so as to be slidable on the cover by the guide rails, and a pair of supports provided at both sides of a lower surface of the shelf.