Disclosed herein is a washing machine capable of realizing a circulation function and a bubble function at the same time. The washing machine includes a main body, a tub provided in the main body, a pump provided to circulate wash water into the tub, and a circulation bubble unit provided on a flowing route of the wash water flowing out from the pump, wherein the circulation bubble unit is provided to be connected with the tub, and includes a first fluid path provided so that some of the wash water flowing out from the pump is circulated into the tub, and a second fluid path provided to generate bubbles in the wash water using another some of the wash water.