Avi Beker (Hebrew: אבי בקר; May 3, 1951 – June 4, 2015) was an Israeli writer, statesman, and academic. Beker served as secretary-general of the World Jewish Congress from 4 October 2001 to 14 October 2003.
Born in Tel Aviv in 1951, Avi Beker served in the Israel Defense Forces and rose to the rank of captain. He graduated from Tel Aviv University and obtained a Ph.D. in political science from City University of New York. He was a member of the Permanent Mission of Israel to the United Nations (1977–1982) and a delegate to five United Nations General Assemblies and two special sessions of the General Assembly on disarmament, in 1978 and 1982 respectively.