An absorbent article adapted to be worn by a user includes a main body section and an absorbent body that has an absorbent member for absorbing fluid, that has a longitudinal direction, a width direction, and a thickness direction, that is superposed on a face of the main body section on a user side. The absorbent body further has one end section in the longitudinal direction joined to the main body section on a first joined section, and another end section in the longitudinal direction joined to the main body section on a second joined section. A length of the absorbent body between the first joined section and the second joined section is equal to or more than a length of the main body section between the first joined section and the second joined section.