Betty Binns Fletcher (March 29, 1923 – October 22, 2012) was an American lawyer and judge. She served as a United States circuit judge of the San Francisco-based United States Court of Appeals for the Ninth Circuit between 1979 and 2012. Fletcher was one of the first women to become a partner in a major American law firm and the second woman to be appointed to the United States Court of Appeals for the Ninth Circuit.