Provided is an absorbent article with which curling of a hip flap can be improved. This absorbent article (1) has a fore-aft direction L and width direction (W) that are orthogonal to each other, a center region (S1) that is disposed under the crotch of a wearer, and a rear-side region (S3) that is located to the rear side of the center region (S1). A hip flap (4) that bulges to the outside in the width direction W is provided in the rear-side region (S3), the outer edge (4E) of the hip flap (4) is formed in a corrugated shape having a multiplicity of protrusions (4F), and compression portions (85) are formed along an imaginary line (IL), which is obtained by joining the bases of the protrusions (4F), further to the inside than the imaginary line (IL).提供能改善臀部翼片的捲起的吸收性物品。吸收性物品(1)具有:彼此正交的前後方向(L)及寬度方向(W)、配置於著用者的胯下的中央區域(S1)、以及位於中央區域(S1)的後側的後側區域(S3),在後側區域(S3)設置有朝寬度方向(W)的外側膨出的臀部翼片(4),臀部翼片(4)的外緣(4E)係形成為具有多數個凸部(4F)的波浪形形狀,在比連結各凸部(4F)的山麓部而得的假想線(IL)更靠內側,沿著假想線(IL)形成有壓搾部(85)。