A plasma display panel (PDP) includes a first substrate (20) and a second substrate (10) disposed opposite to each other and having a plurality of discharge cells (18) therebetween, and display electrodes (25) disposed in parallel and extending in a predetermined direction on the first substrate, wherein each of the display electrodes respectively includes a plurality of line portions (21,23) spaced apart from each other, and an extension portion (21a,23a) connected to each line portion of the plurality of line portions and extending in the predetermined direction, wherein a first width of the extension portion at a boundary between the extension portion and the plurality of line portions is about equal to a distance between outer edges of outermost line portions the plurality of line portions.