Ernest Hin-Leung So (Chinese: 蘇顯亮; born June 1, 1978) is a Hong Kong-born pianist who specialises in the works of lesser-known classical composers such as Sergei Bortkiewicz, Leopold Godowsky, Nikolai Medtner, Jean Wiener, Déodat de Séverac, Mario Ruiz Armengol, Federico Mompou, and Anatoly Alexandrov, among many others, including world premiere recordings of works by and Abram Chasins. So's performances usually include impromptu deliveries on the provenance and contextual background of the pieces he is playing.