Provided is a foldable display apparatus that is foldable along a folding line. The foldable display apparatus includes a first display panel for displaying a first image, a second display panel for displaying a second image, wherein the second display panel is spaced apart from the first display panel, and a flexible electric connection unit disposed between the first and second display panels and electrically connecting the first and second display panels, the flexible electric connection unit comprising a groove overlapping with the folding line.