An absorbent sheet for pets, having a fluid-permeable surface sheet, a fluid-impermeable rear surface sheet, and an absorbent body that absorbs fluid that has penetrated the surface sheet. The surface sheet is configured so as to receive pet excrement, in a state in which the rear surface sheet is placed in a placement location； the absorbent body is formed by a surface-side covered sheet, a rear surface-side covered sheet, and an absorbent layer； and the absorbent layer is bonded by an adhesive across the entire surface of at least one of either the surface-side covered sheet or the rear surface-side covered sheet.
