An organic light-emitting display apparatus, includes a substrate including display area and a non-display area; a display device in the display area on the substrate; and a thin film encapsulating layer that covers the display device and includes an encapsulating inorganic layer and an encapsulating organic layer, the encapsulating inorganic layer including a plurality of inorganic layers and the encapsulating organic layer including a plurality of organic layers, at least one organic layer among the plurality of organic layers including a plurality of holes, and the plurality of holes being filled with an inorganic layer on the at least one organic layer.