A broadband light absorber and a display apparatus including the same. The broadband light absorber includes a substrate and a pattern layer having a mesh structure including a plurality of openings, wherein any neighboring openings among the plurality of openings are non-uniform and wherein the plurality of openings comprise first openings haying a first size and second openings haying a second size different from the first size, the first openings and the second openings being alternately arranged in a first direction.