The present invention provides an absorbent article 1 having a substantially elongate configuration, comprising a liquid-impermeable leakage-preventive layer 3, and a liquid-retentive absorbent layer 2 disposed above the leakage-preventive layer 3, wherein the absorbent layer 2 comprises a liquid-retentive absorbent member 24 and a liquid-permeable topsheet 23, and is formed by a fixed portion 21 and one pair of left and right free edge portions 22, the fixed portion 21 being fixed to the leakage-preventive layer 3, the free edge portions 22 being located on opposite left and right sides in the longitudinal direction of the fixed portion 21 and each having a free end 22a, the absorbent member 24 being present in both of the fixed portion 21 and the pair of left and right free edge portions 22.