An absorbent article for pet animals which makes possible to provide relatively easy handling for using the article. The absorbent article for a pet animal having a first side edge portion and a second side edge portion. The first side edge portion has a side seam coupling a first side edge portion of a ventral region and a first side edge portion of a dorsal region together. The second side edge portion is provided with a coupling means for coupling a second side edge portion of the ventral region to a second side edge portion of the dorsal region.
