Robert Gordon Vosper (June 21, 1913 – May 14, 1994) was an American educator and librarian who oversaw college libraries at the University of Kansas and the University of California, Los Angeles. Vosper served as president of the American Library Association (ALA) and won the Joseph W. Lippincott award in 1985. He was also named one of the top 100 librarians of the 20th century by American Libraries.