Abraham Nahum Polak (Hebrew: אברהם פולק)(sometimes referred to as A. N. Polak or Poliak; born 2 September 1910, died 5 March 1970) was an Israeli historian, a professor at the Tel Aviv University since its inception, professor of medieval history and founder of the department of Middle-Eastern History. His main areas of research were Jewish history, Arab history, nations of Islam and Africa and the history of the Khazars.