A dish washer includes a tub defining a washing space, a base disposed below the tub and defining a space below the tub, a sump disposed in the space defined by the base and configured to store water, a washing pump disposed in the space defined by the base and configured to supply the water stored in the sump to the washing space, and an air jet generator having a venturi shape including an air inlet provided on one side, an inlet having a downward opening, and an outlet provided above a bottom surface of the tub. The air jet generator further includes a tub mounting portion fixing an upper portion of the air jet generator to the bottom surface of the tub and a base fixing portion disposed below the tub mounting portion, the base fixing portion coupling a lower portion of the air jet generator to the base.