Disclosed herein is a washing machine that includes a lifter capable of removing foreign matter from water while agitating laundry. The washing machine includes a tub containing water supplied from anoutside source, a drum disposed inside the tub, a lifter body mounted to the drum; a filtering unit disposed in the lifter body to collect foreign matter from wash water as it circulates within the machine, and a water supply part guiding the water being introduced from the tub to the filtering unit of the lifter.