A washing machine having a plurality of tubs includes a cabinet having a first tub disposed therein, a first door, having a second tub disposed therein, to open and close a laundry introduction opening formed at the cabinet, a second door to open and close a laundry introduction opening of the second tub, a first water supply part and a second water supply part to supply washing water to inside of the first tub and the second tub, respectively, and a first water discharge part and a second water discharge part to discharge washing water from the first tub and the second tub, respectively. This configuration allows a washing process to be performed at a plurality of spaces.