A display device including first to eighth pixels successively arranged in a first direction on a first horizontal line, and first to sixteenth data lines each extending in a second direction and successively arranged in the first direction, in which the second and third data lines are disposed between the first and second pixels and respectively connected to the first and second pixels, the sixth and seventh data lines are disposed between the third and fourth pixels and respectively connected to the third and fourth pixels, the tenth and eleventh data lines are disposed between the fifth and sixth pixels and respectively connected to the fifth and sixth pixels, the fourteenth and fifteenth data lines are disposed between the seventh and eighth pixels and respectively connected to the seventh and eighth pixels.