Provided is a molding wall thickness recognition apparatus, including a calculation portion that calculates a surface area of each surface that configures a molded article in each wall thickness, based on three-dimensional shape information which illustrates a shape of the molded article having different wall thicknesses, and a determining portion that determines the wall thickness of the surface area that satisfies preset conditions as a basic wall thickness, by comparing each surface area in each wall thickness calculated by the calculation portion.