A display device according to an embodiment of the present invention includes: a plurality of data lines; a plurality of gate lines crossing the plurality of data lines; a non-quadrangular display panel including a plurality of pixels, each of the plurality of pixels being connected to one corresponding data line from among the plurality of data lines and one corresponding gate line from among the plurality of gate lines; and a data driver configured to supply a plurality of data signals to the plurality of data lines. At least one of the plurality of data lines is connected to a pixel from among the plurality of pixels in a first pixel column and another pixel in a second pixel column that is different from the first pixel column.