Cyrus Henry Hoy (February 26, 1926 – April 27, 2010) was an American literary scholar of the English Renaissance stage who taught at the University of Virginia and Vanderbilt University, and was the John B. Trevor Professor of English (emeritus, 1994) at the University of Rochester. He wrote and published on a wide range of topics in English literature, though he is best known for his works on William Shakespeare, Beaumont and Fletcher, and other figures in English Renaissance theatre.