An organic light emitting display apparatus is provided that includes a display panel, a first source printed circuit board connected to the display panel in a first direction, and including a first memory disposed in an area of first source printed circuit board, a second source printed circuit board connected to the display panel in the first direction, and a control printed circuit board disposed between the first source printed circuit board and the second source printed circuit board, and connected to each of the first source printed circuit board and the second source printed circuit board. Here, a direction in which the control printed circuit board and the first source printed circuit board are connected and a direction in which the control printed circuit board and the second source printed circuit board are connected are a second direction different from the first direction.