A disposable wearing article includes an absorber includes a urinating region to be in contact with a urinating portion of the wearer, a buttock region to be in contact with buttocks of the wearer, and an absorbent sheet which has absorbent polymer sandwiched between liquid-permeable sheets. The absorbent sheet is arranged in the buttock region, but not in the urinating region. The absorber is positioned at the urinating region and has a body fluid guiding unit which extends from the urinating region towards the buttock region. The buttock region has buttock elastic members that are extensible and contractible in the longitudinal direction.
