Disclosed are a display apparatus and a tiled display apparatus including the same, including a display panel and a support module configured to support the display panel, wherein the support module includes a body supporting the display panel, a plurality of support portions movably coupled to the body, a plurality of connection portions connected to the plurality of support portions, respectively, and a rotating portion connected to the plurality of connection portions and configured to move the plurality of support portions in an insertion direction toward an inside of the body or a protrusion direction toward an outside of the body. Since the display panel is easily attached to and detached from the frame, a time for replacement, repair, and installation work of the display panel may be reduced.