The absorbent body (40) of this disposable diaper (10) is provided with: a first region (41) of which at least a portion is disposed at a groin region； a second region (42) having a lower bending rigidity than the first region and disposed at the front waist-encircling region side of the first region； and a third region (43) having a higher bending rigidity than the second region and disposed at the front waist-encircling region side of the second region. The boundary between the first region and the second region is disposed at a narrowed region, the boundary between the second region and the third region is disposed at the groin region side of the end (95R) at the groin region side of a target section (95), and the end (43R) at the front waist-encircling region side of the third region is disposed at the front waist-encircling region side of the end at the crotch region side of the target section (95).
