Provided is an absorbent article for pet animals, said absorbent article being provided with an absorbent body that has a high absorption efficiency and not impairing the movement of the hind legs of the pet animals.The absorbent article (10) has a longitudinal direction (Y), a lateral direction (X) perpendicular thereto, an inner surface facing the body of a pet animal (5) and an outer surface positioned on the opposite side thereof, and comprises a ventral region (11), a dorsal region (12) and an intermediate region (13) that is positioned between the ventral region (11) and the dorsal region (12) in the longitudinal direction (Y). The absorbent article (10) also comprises a liquid-permeable inner layer sheet (27), a liquid-impermeable outer layer sheet (28) and an absorbent body (29) that is interposed between the inner and outer layer sheets (27, 28). The intermediate region (13) comprises a first section (16) positioned on the ventral region (11) side, a second section (17) positioned on the dorsal region (12) side wherein a cutting line (55) for forming a slit, through said slit the tail (6) of the pet animal (5) being passed, is positioned, and a central section (18) that is positioned between the first and second sections (16, 17), and the absorbent body (29) is provided exclusively in the central section (18).Linvention concerne un article absorbant pour animaux de compagnie, ledit article absorbant étant pourvu dun corps absorbant ayant une excellente efficacité dabsorption et ne gênant pas le mouvement des pattes arrière des animaux de compagnie. Larticle absorbant (10) a un sens longitudinal (Y), un sens latéral (X) perpendiculaire à celui-ci, une surface interne tournée vers le corps de lanimal de compagnie (5) et une surface extérieure positionnée sur le côté opposé de celui-ci, et comprend une région ventrale (11), une région dorsale (12) et une région intermédiaire (13) qui est positionnée entre la région ventrale (11) et la région dorsale (12) dans
