To provide an absorbent sheet for pets that is highly effective in concealing pet excrement. [Solution] This absorbent sheet for pets comprises: a liquid-permeable front-surface sheet (110); a liquid-impermeable back-surface sheet (160); an absorbent body (140) that is provided between the front-surface sheet (110) and the back-surface sheet (160), and that absorbs liquid that has permeated through the front-surface sheet (110); an intermediate sheet (120) that is arranged between the front-surface sheet (110) and the absorbent body (140); and a color arrangement region (130) that forms a color arrangement pattern together with at least one of the front-surface sheet (110), the back-surface sheet (160), and the absorbent body (140). The absorbent sheet is characterized in that the front-surface sheet (110) is formed so as to have a lower total light transmittance than the intermediate sheet (120).