A display apparatus and a method of spreading heat in the display apparatus are provided. The display apparatus includes: a display panel which display an image on a front surface thereof; an intermediate panel disposed on a rear surface, opposite the front surface, of the display panel; and a heat spreader disposed on the rear surface of the intermediate panel and which spreads heat, the heat spreader extending in a longitudinal direction from a first position of the rear surface of the intermediate panel in which the heat is present to a second position of the rear surface of the intermediate panel.