An image forming apparatus includes an image forming unit, a fan, a duct including an air intake port, an air discharge port, and a body portion having a tubular shape and forming an air passage through which air taken in through the air intake port is flown to the air discharge port, the body portion including a holed wall portion to which a plurality of through holes are formed, the plurality of through holes being passed through between an inner surface, forming the air passage, of the holed wall portion and an outer surface, that is on an opposite side from the inner surface, of the holed wall portion, and a noise absorbing member attached to the outer surface of the holed wall portion so as to cover the plurality of through holes, the noise absorbing member having a noise absorbing property.