Provided is a sheet for an absorbent article including a nonwoven fabric containing cellulose-based fibers in an amount of more than 90% by mass, the nonwoven fabric being formed by entangling fibers, wherein the nonwoven fabric includes a plurality of first entanglement portions spaced apart from each other and a plurality of second entanglement portions spaced apart from each other, each of the first entanglement portions has a regular pattern formed by a plurality of regions having a high fiber density (hereinafter referred to as "high-density regions") and a plurality of regions having a low fiber density (hereinafter referred to as "low-density regions"), the regular pattern having substantially identical low-density regions arranged in a staggered or lattice manner, each of the first entanglement portions and the second entanglement portions extends along a longitudinal direction or a lateral direction of the nonwoven fabric, the first entanglement portions and the second entanglement portions are alternately arranged, a combined area of the first entanglement portions is 50% or more of the entire area of the nonwoven fabric, a basis weight of the nonwoven fabric is more than 30 g/m2, and a fluff amount in the specific test is 1.0 mg or less.