William Wheeler Smith, AIA, (c. 1838- April 5, 1908) professionally known as "W. Wheeler Smith," was an American architect and developer active in late-nineteenth- and early-twentieth-century New York City. His home office (used at the end of his career) was located at 17 East 77th Street, New York City. He previously occupied 971 Madison Avenue. Smith was a self-made millionaire and noted philanthropist. "He started as an apprentice in an architect's office and worked his way to the front rank of New York architects."