George Heron Milne (3 July 1887 – October 25, 1948) was an American librarian. He worked at the Library of Congress for 39 years and was chief of the Congressional Reading Room from 1937 to 1948. He served as librarian for many years at the Cosmos Club in Washington, D.C. Alexander Milne had emigrated from Aberdeen, Scotland, in 1871, and became a recognized authority on old colony furniture. He was in charge of decorating the catafalque on which President William McKinley rested while lying in state in 1901.