Emily Muir (February 10, 1904 – March 19, 2003) was an American painter, architect and philanthropist. After attending Vassar College and the Art Students League of New York, she and her husband moved to Maine in 1939. Mostly known as a portrait painter, Muir painted the official portrait of Senator Margaret Chase Smith for the Maine State House, but early in her career, she and her husband toured throughout Europe and South America painting dioramas for a steamship company. Her watercolor painting, Orchard Street, is part of the permanent collections of the Smithsonian American Art Museum and she has works in the permanent collections of the Brooklyn Museum, the Farnsworth Art Museum and the Portland Museum of Art. Self-taught as an architect, Muir designed over 45 homes in or around Croc