A foldable display is disclosed. In one aspect, the foldable display includes a first display unit located on a front surface of the foldable display, a second display unit located on a first side surface of the foldable display, and a third display unit located on a second side surface of the foldable display. The foldable display includes a first configuration in which the first to third display units are exposed and a second configuration in which the first display unit is folded and the second and third display units are exposed. The second and third display units are configured to form a fourth display unit inclined with respect to the folded first display unit in the second configuration of the foldable display.