A plasma display apparatus is provided that enables stable operation of a plasma display panel by accelerating heat dissipation from at least one interior circuit device and preventing degradation of the circuit device. The plasma display apparatus includes a plasma display panel on which an image is displayed, a chassis base facing the plasma display panel, a plurality of circuit devices operating the plasma display panel, a cabinet housing the plasma display panel, the chassis base, and a heat dissipation means interposed between the at least one circuit device and the cabinet to contact the circuit device.