An air conditioner includes a cabinet configured to define an outer appearance of the air conditioner. The air conditioner also includes a front panel coupled to the cabinet and having an intake hole. The air conditioner further includes a fan assembly positioned within the cabinet and configured to guide a flow of air in the cabinet. The air conditioner further includes an intake panel configured to move to open or close the intake hole in response to a control signal. In addition, the air conditioner includes at least one noise reducing part positioned in the intake panel and configured to reduce a noise having at least one frequency bandwidth.