Provided is a display device and a portable terminal including the same. The display device includes a display panel including an active region and a peripheral region adjacent to the active region, n first touch sensors which are arranged successively along a first direction, extend in a second direction, each include a plurality of first connecting parts and a plurality of first sensor parts connected through the first connecting parts, and each generate an electric field together with an external touch pen; m second touch sensors which are insulated from the n first touch sensors, extend successively along the first direction, are arranged in the second direction, each include a plurality of second connecting parts and a plurality of second sensor parts connected through the second connecting parts, and each generate an electric field together with an external touch pen.