A foldable display according to an exemplary embodiment of the present invention includes: a display panel that includes a display area, a non-display area, and a folding area; and a support member that is disposed below the display panel, wherein the support member includes a first stress relief portion and second stress relief portions that do not overlap with each other, the first stress relief portion is disposed on a first surface of the support member, the first surface facing the display panel, and the second stress relief portions are disposed on a second surface of the support member, the second surface opposite the first surface.