The present invention relates to an absorbent article such as a sanitary napkin, a panty liner, and an incontinence pad, and more particularly to an absorbent article in which a skin-side surface of a back side part of an absorbent body has a front-surface side concave groove recessed to the non-skin side and a plurality of partitioned absorption parts partitioned by the front-surface side concave groove and a non-skin-side surface of the back side part of the absorbent body has a gluteal cleft-facing concave groove recessed to the skin side.
