An absorbent article (1) has: a longitudinal direction (L), a width direction (W), and a thickness direction (T) that are orthogonal to each other; an absorber 1; and a topsheet (20) that is disposed on the skin surface side of the absorber. The topsheet has an extension part (22) that extends outward beyond the outer edge of the absorber. The extension part has a diffusion suppression part (25). The topsheet is either a fabric or a knit.吸收性物品(1)具有:互相正交的長度方向(L)、寬度方向(W)及厚度方向(T)、吸收體(1)、配置在比吸收體更靠肌面側之表面薄片(20)。表面薄片具有:延伸到比吸收體的外緣更外側之延伸部(22)。延伸部具有擴散抑制部(25)。表面薄片是梭織物或針織物。