Mad World (Cantonese: 一念無明) is a 2016 Hong Kong drama film directed by Wong Chun and starring Shawn Yue, Eric Tsang, Elaine Jin and Charmaine Fong. It is Wong's directorial debut after winning the First Feature Film Initiative. It was selected as the Hong Kong entry for the Best Foreign Language Film at the 90th Academy Awards, but it was not nominated.