Provided is an absorbent article for pets suitable for bedridden pets. The present invention has: a longitudinal direction (Y) and a width direction (X) intersecting therewith a body-facing surface and a non-body-facing surface on the opposite side thereof first and second edges (10a, 10b) opposing in the longitudinal direction (Y) a tail-facing area (13) facing the tail (6) of a pet (5) a first region (11) covering one side of the rump portion (8) of the pet (5) and extending from the tail-facing area (13) to the first edge (10a) side a second region (12) covering the other side of the rump portion (8) of the pet (5) and extending from the tail-facing area (13) to the second edge (10b) side and an absorbent core (15) located in the first region (11) and the second region (12).提供一種適合經常為臥倒狀態之寵物的寵物用吸收性物品。具有:長度方向(Y)及與其交叉的寬度方向(X);身體對向面及與其相反側的非身體對向面;於長度方向(Y)對向的第1及第2端緣(10a、10b);與寵物(5)的尾巴(6)對向的尾巴對向域(13);從尾巴對向域(13)往第1端緣(10a)側延伸並覆蓋寵物(5)之一方臀部(8)的第1區域(11);從尾巴對向域(13)往第2端緣(10b)側延伸並覆蓋寵物(5)之另一方臀部(8)的第2區域(12);以及位在第1區域(11)與第2區域(12)的吸收性芯(15)。4‧‧‧地面5‧‧‧寵物6‧‧‧尾巴7‧‧‧後肢10‧‧‧寵物用吸收性物品12‧‧‧第2區域15‧‧‧吸收性芯15b‧‧‧兩端緣16a‧‧‧側緣部