A display device is provided. The display device may include a display panel, a back cover positioned at a rear surface of the display panel, a guide panel positioned at a lateral surface of the back cover, and a top case positioned at an edge portion of a front surface of the display panel and a lateral surface of the guide panel. A lateral surface of the top case may include a first lateral surface and a second lateral surface. The first lateral surface may be recessed further than the second lateral surface. A fastener may be provided to couple the first lateral surface of the top case, the guide panel and the back cover.