An absorbent article for male pet animals has a longitudinal direction, a transverse direction and includes: a body-facing surface facing a body of a pet； a non-body-facing surface opposite to the body-facing surface； a first section positioned at a center in the longitudinal direction； second sections adjacent to the first section in the longitudinal direction； an interior layer sheet positioned on side of the body-facing surface； an exterior layer sheet positioned on side of the non-body-facing surface； an absorbent core between the interior and the exterior layer sheets； first and second end portions opposed to each other in the longitudinal direction； an attachment on which the second end portion is detachably attached, the attachment being positioned in the first end portion； and an indicator that is colored upon coming into contact with urine. The indicator continuously extends in the longitudinal direction, and is visually recognizable from the non-body-facing surface.
