Levinthal is a surname. It may refer to: Bernard L. Levinthal (1864–1953), a prominent Philadelphia rabbi Israel H. Levinthal (1888–1982), Lithuanian-American rabbi, son of Bernard Helen Levinthal (1910–1989), the first American woman to complete the entire course of study in a rabbinical school, daughter of Israel Louis E. Levinthal (1892–1976), American lawyer and judge, son of Bernard Cyrus Levinthal (1922–1990), American molecular biologist, grandson of Bernard David Levinthal (born 1949), American photographer