Union Club may refer to: United Kingdom Union Club (Bristol), an 18th-century pro-Whig political club Union Club (London), a gentlemen's club in Trafalgar Square, 1827–1923 United States Union Club of Boston, Massachusetts Union Club of the City of New York Pacific-Union Club, in San Francisco, California Atherton Hotel at Oklahoma State University, originally the Union Club Fictional Union Club, a club in short stories by Isaac Asimov, many in The Union Club Mysteries