To provide an absorbent article which is excellent in fitness when it is worn, is not easily twisted even by the movement of the body or the like after it is worn and is excellent in a leakage prevention property.On the body abutting surface side in a vertically long sanitary napkin 1 comprising a front surface sheet 10, a back surface sheet 20 and an absorbent 30 disposed between the front surface sheet 10 and the back surface sheet 20, a back compression groove 42 is provided on a back part BP in the longitudinal direction LD of the sanitary napkin 1. The back compression groove 42 is provided with a pair of transverse compression groove parts 421 and 421 formed so as to be along the width direction WD of the absorbent article 1. The pair of transverse compression groove parts 421 and 421 are formed roughly axially symmetrically so as to be separated from each other with a center line CL as the axis of symmetry at the center in the width direction WD of the sanitary napkin 1.