An animal toilet has a lengthwise direction, a horizontal direction and an up-down direction that are orthogonal to each other. The animal toilet is provided with an upper container that is provided with a plurality of holes through which urine passes below, a lower container that is positioned below the upper container and has formed an insert hole on a front face along the lengthwise direction, a tray that is housed from the insert hole into the lower container in a manner being allowed to be pulled out forward, and an absorbent sheet that is placed on a bottom face of the tray and receives and absorbs the urine that falls through the holes of the upper container. The tray includes a pair of horizontal walls being provided along the horizontal direction and standing upward from the bottom face at both lengthwise ends, and a pair of lengthwise walls being provided along the lengthwise direction and standing upward from the bottom face at both horizontal ends, in order to section a placing area of the absorbent sheet. A horizontal wall displaced part, having the horizontal wall displaced outward along the lengthwise direction, is formed at a horizontal end part of the horizontal wall and a lengthwise wall displaced part, having the lengthwise wall displaced outward along the horizontal direction, is formed at a lengthwise end part of the lengthwise wall, in a manner corresponding to at least one corner part of four corner parts of the placing area.
