Oleg Anatolyevich Platonov (Russian: Оле́г Анато́льевич Плато́нов; born 11 January 1950) is a contemporary Russian writer, historian, and economist. He is the Director General of the Institute for the History of Russian Civilization, a Moscow-based think tank. He has been described as ultranationalist, anti-Semitic, and a Holocaust denier.