Andrew Jay Kleinfeld (born June 12, 1945) is an American lawyer and jurist serving as a senior U.S. circuit judge of the U.S. Court of Appeals for the Ninth Circuit since 2010. He served as an active judge on the Ninth Circuit from 1991 to 2010. Kleinfeld was previously a U.S. district judge on the U.S. District Court for the District of Alaska from 1986 to 1991.