Ismail Ragib Khalidi (Arabic: إسماعيل راغب الخالدي‎; November 13, 1916 – September 2, 1968) was a senior political affairs officer for the United Nations Department of Political Affairs. Khalidi was born in Jerusalem, then still part of the Ottoman Syria, on November 13, 1916. He was the brother of Husayin al-Khalidi, father of Rashid Khalidi and the grandfather of the American playwright, Ismail Khalidi (writer).