Provided is a refrigerator for a vehicle. The refrigerator for the vehicle may include a cavity or a compartment accommodating a product, a machine room defined in a side of the cavity, a compressor provided at a front side of an internal section of the machine room to compress a refrigerant, a condensation module or assembly disposed at a rear side of the internal section of the machine room to condense the refrigerant, an evaporation module in which the refrigerant condensed in the condensation module is supplied and evaporated and which is disposed in the cavity, and a machine room cover covering the machine room to enable air to be suctioned from a rear side thereof.