PROBLEM TO BE SOLVED: To provide an absorbent article for animals in this invention which is configured that a flap part is easily peeled off in being stuck to an engaging part and hardly requires labor in attaching to a body of an animal.SOLUTION: An absorbent article (1) for animals in this invention includes a non-woven fabric (3) forming a first surface (S1) and a non-woven fabric (2) forming a second surface (S2) in a thickness direction, has a first region (A1), a central region (AC), and a second region (A2) between one side end edge (11) and the other side end edge (12) in a longitudinal direction in a plane view, and further includes an engaging part (6) extending in a width direction in the first surface (S1) of the first region (A1) and a flap part (7) which extends from one side end edge (61) in the longitudinal direction of the engaging part (6) to the one side end edge (11) in the longitudinal direction of the absorbent article (1) in the longitudinal direction. The flap part (7) has a length (D7) in a longitudinal direction longer than a length (D6) in the longitudinal direction of the engaging part (6).SELECTED DRAWING: Figure 1COPYRIGHT: (C)2020,JPO&INPIT【課題】本発明は、フラップ部が係合部に貼り付いても容易に引き剥がすことができ、動物の胴体に装着する際の手間が掛かり難い、動物用の吸収性物品を提供するものである。【解決手段】本発明の動物用の吸収性物品(1)は、厚さ方向において、第1面(S1)を形成する不織布(3)と、第2面(S2)を形成する不織布(2)とを有するとともに、平面視にて、長手方向における一方側端縁(11)及び他方側端縁(12)の間に、第1領域(A1)、中央領域(AC)及び第2領域(A2)を有し、さらに、第1領域(A1)の第1面(S1)において幅方向に延在する係合部(6)と、長手方向において、係合部(6)の長手方向における一方側端縁(61)から吸収性物品(1)の長手方向における一方側端縁(11)まで延在するフラップ部(7)とを備えていて、フラップ部(7)は、係合部(6)の長手方向長さ(D6)よりも長い長手方向長さ(D7)を有する。【選択図】図1