Provided are an optical film, a method for manufacturing an optical film, and a liquid crystal display. An optical film includes: a polarizer, a diffusion sheet adhered to a bottom surface of the polarizer, the diffusion sheet including a plurality of first beads, and an adhesive layer between the polarizer and the diffusion sheet, the adhesive layer attaching the polarizer to the diffusion sheet, the adhesive layer including a plurality of second beads.