William Andrew Moffett (January 25, 1933 – February 20, 1995) was a historian and librarian who was named "100 of the Most Important Leaders We Had in the 20th Century" by American Libraries in 1999. He is primarily known for aiding in the capture of a prolific library thief, James Richard Shinn, and, more famously, opening access of the Dead Sea Scrolls for scholarly use, both of which news stories made the front page of the New York Times. Moffett was also known for being a highly influential academic librarian director at Oberlin College, the 6th Librarian at the Huntington Library and for being named Academic/Research Librarian of the Year in 1993 by the Association of College and Research Libraries (ACRL).