To facilitate a flow of an excretion liquid into a side pocket with a simple structure using an imperforated sheet.The above problem is solved by an absorbent article in which a side pocket 70 extending in a front-back direction LD is disposed on a lateral side of an absorber 56, the side pocket 70 is surrounded by a side cover portion 71 reaching the back surface side of the absorber 56 from above a side of a top sheet 30 via an upper portion, an outer side, and a lower portion of the side pocket 70, a portion located above the side of the top sheet 30 in the side cover portion 71 includes a non-bonded portion 72 not bonded to the top sheet 30 and a bonded portion 73 located on both front and back sides of the non-bonded portion 72, and a gap 74 between the side cover portion 71 and the top sheet 30 in the non-bonded portion 72 is open above the top sheet 30 and toward the side pocket 70.
