Provided is an absorbent article (1) in which a space (42) that is formed in the vicinity of the width-direction side surfaces (41) of the absorbent body (4) of said absorbent article (1) recovers even after collapse. In addition, the skin feel of the absorbent article (1) is satisfactory even when the space (42) that is formed around the width-direction side surfaces (41) of the absorbent body (4) is collapsed. The absorbent article (1) has a longitudinal direction and a width direction, and comprises a liquid-permeable top sheet (2) that is provided to the skin side, a liquid-impermeable back sheet (3) that is provided to the clothing side, and a liquid-holding absorbent body (4) that is provided between the top sheet (2) and the back sheet (3). The space (42) is formed around the width-direction side surfaces (41) of the absorbent body (4) by the top sheet (2) and the width-direction side surfaces (41) of the absorbent body (4). On at least the outer side of the width-direction side surfaces (41) of the absorbent body (4), the top sheet (2) extends in the longitudinal direction and comprises first ridge fold sections (21) and valley fold sections (23) that are arranged so as to alternate in the width direction, and second ridge fold sections (22) that extend in a direction that intersects the first ridge fold sections (21).Linvention concerne un article absorbant (1) dans lequel un espace (42) qui est formé au voisinage des surfaces latérales dans la direction de la largeur (41) du corps absorbant (4) dudit article absorbant (1) se rétablit même après un affaissement. De plus, la sensation de peau de larticle absorbant (1) est satisfaisante même lorsque lespace (42) qui est formé autour des surfaces latérales dans la direction de la largeur (41) de larticle absorbant (4) sest affaissé. Larticle absorbant (1) a une direction longitudinale et une direction de la largeur, et comprend une feuille supérieure perméable aux liquides (2) qui est agencée sur le côté peau,