The present invention relates to a disposable worn article, including: an absorbent body 2 including an absorbent core 24 which absorbs body fluid laminated between a liquid-permeable top sheet 26 and a liquid-impermeable back sheet 27 a pair of front flaps Ff extending in a girth direction X to be continuous with a front portion 20 of the absorbent body 2 that covers a front surface of a torso of a wearer and a pair of back flaps Fb extending in the girth direction to be continuous with a back portion 21 of the absorbent body 2 that covers a back surface of the torso of the wearer, wherein: the front and back flaps Ff and Fb include a stretchable non-woven fabric 31 that stretches in the girth direction X and an entire area of the absorbent core 24 is not essentially covered by the stretchable non-woven fabric 31.
