Provided is a refrigerator for a vehicle. The refrigerator for the vehicle may include a cavity or compartment accommodating a product, a machine room disposed at a side of the cavity, a compressor accommodated in the machine room to compress a refrigerant, a condensation module or assembly accommodated in the machine room to condense the refrigerant, an evaporation module or assembly accommodated in the cavity to evaporate the refrigerant and thereby to cool the cavity, a machine room cover defining an inner space of the machine room, and a controller mounted on an outer surface of the machine room cover.