Abraham Nahum Polak (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.