A robot cleaner comprising: a cleaner body including a wheel unit and a controller controlling driving of the wheel unit; a dust container accommodation part having a shape recessed toward the front from the rear thereof to be opened to the rear; a dust container detachably coupled to the dust container accommodation part, the dust container have a portion protruding rearward of a rear end of the cleaner body in a state in which the dust container is accommodated in the dust container accommodation part; and a dust container cover rotatably coupled to the cleaner body to cover the dust container, wherein the dust container cover is accommodated in the dust container accommodation part in a state in which the dust container cover is disposed to cover the dust container, and a portion of the dust container cover protrudes rearward of the rear end of the cleaner body.