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.
