William I. Fletcher

| birth_place = Burlington, Vermont, United States | death_date = | nationality = American | occupation = Librarian }}

William Isaac Fletcher (April 23, 1844 – June 15, 1917) was an American librarian, bibliographer, and indexer who served as the head librarian of Amherst College from 1883 to 1911 and the President of the American Library Association in 1891–92. In 1951, he was named by ''Library Journal'' to the Library Hall of Fame. Provided by Wikipedia