A washing machine, which does not have a narrowed portion on a throw-in and takeout route of washings, so that washings can be thrown in and taken out smoothly. The washing machine of the present invention comprises: an inner tub for accommodating washings; an outer tub for accommodating the inner tub; a housing comprising a housing body that is configured to accommodate the outer tub and is open at the upper end, a fixed lid fixed to the upper end of the housing body, and a movable lid that is movably disposed on the fixed lid, makes the upper end of the housing body selectively open towards the outside, and is capable of forming a lid side opening for making an inner tub side opening formed on the upper end of the inner tub open upwards; and a water supply unit provided on the fixed lid and used for supplying water to the inner tub, wherein the inner circumference of the lid side opening has a shape and size that make the inner tub side opening substantially open upwards.