Provided is an absorbent article for pets preventing an absorbent core from preventing the movement of hind legs of a pet. An absorbent article (10) has a longitudinal direction (Y) and a lateral direction (X) orthogonal to the longitudinal direction (Y) and includes: a belly facing region (11), a back facing region (12), an intermediate region (13) positioned between the belly facing region (11) and the back facing region (12) in the longitudinal direction (Y), and an absorbent member (50) including an absorbent core (51). The absorbent member (50) is only disposed in a portion closer to the belly facing region (11) than a cut line (48) in which the tail (1) of a pet (2) is inserted, and includes: both absorbent side edges (50c) opposite to each other in the lateral direction (X), a first absorbent portion (53) facing a urine opening of the pet (2), and a second absorbent portion (54) facing a portion outside the urine opening, and the absorbent core (51) includes an first narrow portion (interruption portion) (61) configured to interrupt linkage between the first absorbent portion (53) and the second absorbent portion (54) in the longitudinal direction (Y).本發明提供可以抑制在寵物的後肢活動時吸收性芯材造成後肢活動妨礙情形的吸收性物品。本發明之吸收性物品(10)係具有縱向Y及正交於縱向Y的橫向X，並且包含：腹側區域(11)、背側區域(12)、在縱向Y上位於腹側區域(11)和背側區域(12)之間的中間區域(13)、以及具有吸收性芯材(51)的吸收體(50)。吸收體(50)僅位於比寵物(2)的尾巴(1)插入的切斷線(48)更靠腹側區域(11)側，具有在橫向X上彼此相對向的吸收兩側緣(50c)、相對向於寵物(2)的排尿口的第1吸收部(53)、以及相對向於離開排尿口的部位的第2吸收部(54)，吸收性芯材(51)具有與在縱向Y上的第1吸收部(53)和第2吸收部(54)的連動分離的第1向內彎曲部分(分離部分)(61)。
