Abstract: This invention relates to a display panel tensioner whereby a flexible display panel, generally of the type carrying advertising or promotional material, may be supported under tension to thereby provide a smooth and neat appearance that enhances the aesthetics of the display panel. The tensioner comprising a body having attachment formations whereby it may be secured to a support structure, a track formed in the body and receiving an elongate tensioning member that is longitudinally movable along the track between terminal positions with the tensioning member being movable in a plane generally parallel to a plane in which a display panel is to be supported thereby, resilient biasing means urging the tensioning member towards one terminal position thereof relative to the track, and attachment means for releasably attaching a display panel assembly to the tensioning member.