A touch sensor (TSM, TSM') comprising: a base layer; a plurality of first touch electrodes disposed on the base layer, arranged in a first direction, comprising openings, and electrically connected to one another; a plurality of second touch electrodes disposed on the base layer, arranged in a second direction, which intersects the first direction, and electrically connected to one another; and first pressure sensing electrodes and second pressure sensing electrodes separated from each other and disposed in the openings of the first touch electrodes in a plan view, wherein the first pressure sensing electrodes and second pressure sensing electrodes are spaced apart from the first touch electrodes, wherein the first pressure sensing electrodes, the first touch electrodes, and the second touch electrodes are disposed in a first layer, wherein the touch sensor (TSM, TSM') further comprises noise sensing electrodes detecting a noise signal, wherein the base layer has a first area and a second area, which is spaced apart from the first area, the first pressure sensing electrodes and the second pressure sensing electrodes are disposed in the first area, the first touch electrodes are disposed in the second area, and the noise sensing electrodes are disposed in the second area in the openings of the first touch electrodes and are separated from the second touch electrodes and the first touch electrodes, wherein the noise sensing electrodes are disposed in the first layer and comprise a same material as the first pressure sensing electrodes and the second pressure sensing electrodes, and wherein a shape of each of the noise sensing electrodes is different from a shape of each of the first pressure sensing electrodes and a shape of each of the second pressure sensing electrodes in a plan view. a base layer; a plurality of first touch electrodes disposed on the base layer, arranged in a first direction, comprising openings, and electrically connected to one another; a plurality of second touch electrodes disposed on the base layer, arranged in a second direction, which intersects the first direction, and electrically connected to one another; and first pressure sensing electrodes and second pressure sensing electrodes separated from each other and disposed in the openings of the first touch electrodes in a plan view, wherein the first pressure sensing electrodes and second pressure sensing electrodes are spaced apart from the first touch electrodes, wherein the first pressure sensing electrodes, the first touch electrodes, and the second touch electrodes are disposed in a first layer, wherein the touch sensor (TSM, TSM') further comprises noise sensing electrodes detecting a noise signal, wherein the base layer has a first area and a second area, which is spaced apart from the first area, the first pressure sensing electrodes and the second pressure sensing electrodes are disposed in the first area, the first touch electrodes are disposed in the second area, and the noise sensing electrodes are disposed in the second area in the openings of the first touch electrodes and are separated from the second touch electrodes and the first touch electrodes, wherein the noise sensing electrodes are disposed in the first layer and comprise a same material as the first pressure sensing electrodes and the second pressure sensing electrodes, and wherein a shape of each of the noise sensing electrodes is different from a shape of each of the first pressure sensing electrodes and a shape of each of the second pressure sensing electrodes in a plan view.