Disclosed is a dishwasher comprising a tub defining a washing space, a sump provided to collect the wash water injected into the tub, a supply pump provided to supply the wash water stored in the sump to the tub, a filter provided in the sump and comprising a first body having a plurality of first holes formed along a lateral circumferential surface; and a second body arranged in a radially inner side of the first body and having a plurality of second holes formed along a lateral circumferential surface, wherein the second body comprises an external wall portion in which the second holes are formed and an internal wall portion positioned in a radially inner side of the external wall and vertically extended.