The present disclosure provides a washing machine and a manufacturing method of a circulating water supply pipe. The washing machine includes a casing having a front surface on which a laundry inlet is formed, a tub which is disposed in the casing and has an opening at a front surface thereof, a drum which is rotatably provided in the tub, a pump which pressure-feeds water discharged from the tub, a gasket which forms a passage connecting the laundry inlet and the opening to each other, a plurality of nozzles which is provided on an inner peripheral surface defining the passage of the gasket and injects the water pressure-fed by the pump into the drum, and a circulating water supply pipe which is disposed on an outer peripheral surface of the gasket opposite to the inner peripheral surface and guides the water pressure-fed by the pump to the plurality of nozzles.