Disclosed are a dish washer and a method of controlling the same, in which the amount of water consumed is reduced and a washing time is maintained while assuring a washing performance. The dish washer includes a washing tub; dish baskets provided in the washing tub to accommodate dishes; and a plurality of nozzles to spray washing water to the dish baskets, where spray holes to spray the washing water are formed through each of the plurality of nozzles, and the spray holes formed through the plurality of nozzles have areas different from one another.