Bonnie S. Klapper is an American lawyer who was Assistant United States Attorney in both the Central District of California and the Eastern District of New York from January 1984 to February 2012. She is in private practice, specializing in the defense of extraditables and in matters before the Office of Foreign Assets Control. She is a member of the bar in the States of New York, California, and the District of Columbia and has been admitted to Federal District Court in New York, California, Florida, Texas and the District of Columbia.