A pants-type disposable diaper 1 comprising: a diaper main body 2 having a front part P, a back part Q, and a crotch part R therebetween, and having a waist opening 3 and a pair of leg openings 4; an absorbent core 10 disposed at the crotch part R; a first elastic member 13 having a first crotch-crossing part 13A which extends intermittently across the crotch part R and a first leg opening edge part 13B which extends along edges 15 of a front side of the both leg openings 4; and a second elastic member 14 disposed continuously so as to be spaced from the first elastic member 13, and having a second crotch-crossing part 14A which extends across the crotch part R and a second leg opening edge part 14B which extends along edges 15 of a back side of the both leg openings 4.