A dishwasher , comprising: a tub forming wash space and configured to accommodate objects to be washed; a base being disposed under the tub ; a door being configured to open and close the wash space ; a sump being disposed under the tub and configured to store wash water; an air supply device comprising a housing, an air blowing fan and an air discharge part, and being disposed at the base and configured to spray air to the tub ; wherein the door is disposed in front of the sump in a front-rear direction of the base ; wherein the air supply device is disposed behind the sump in the front-rear direction of the base ; wherein the dishwasher further comprises an air supply control module that is disposed in the base , is electrically connected to the air supply device and controls operations of the air supply device ; characterized in that the air supply control module is disposed behind the air supply device and spaced from the air supply device ; wherein the air supply control module is disposed on a wall over a bottom plate of the base and so it is configured to be spaced from the bottom plate ; and wherein the wall comprises: a first wall bending from the bottom plate at least partially in an up-down direction, a second wall bending from the first wall at least partially in a front-rear direction and sitting in the air supply control module , and a rear wall bending from the second wall at least partially in the up-down direction. a tub forming wash space and configured to accommodate objects to be washed; a base being disposed under the tub ; a door being configured to open and close the wash space ; a sump being disposed under the tub and configured to store wash water; an air supply device comprising a housing, an air blowing fan and an air discharge part, and being disposed at the base and configured to spray air to the tub ; wherein the door is disposed in front of the sump in a front-rear direction of the base ; wherein the air supply device is disposed behind the sump in the front-rear direction of the base ; wherein the dishwasher further comprises an air supply control module that is disposed in the base , is electrically connected to the air supply device and controls operations of the air supply device ; characterized in that the air supply control module is disposed behind the air supply device and spaced from the air supply device ; wherein the air supply control module is disposed on a wall over a bottom plate of the base and so it is configured to be spaced from the bottom plate ; and wherein the wall comprises: a first wall bending from the bottom plate at least partially in an up-down direction, a second wall bending from the first wall at least partially in a front-rear direction and sitting in the air supply control module , and a rear wall bending from the second wall at least partially in the up-down direction. a first wall bending from the bottom plate at least partially in an up-down direction, a second wall bending from the first wall at least partially in a front-rear direction and sitting in the air supply control module , and a rear wall bending from the second wall at least partially in the up-down direction. <EOS>