Sir Frank Madden (29 November 1847 – 17 February 1921) was an Irish-born Australian politician who served as the Speaker of the Victorian Legislative Assembly.Madden was born in Cork to solicitor John Madden and Margaret Macoboy. His family migrated to Melbourne in 1857; Madden subsequently worked as a jackeroo near Skipton before becoming a solicitor. In 1874 he married Annie Eliza Francis, with whom he had seven children. He founded the firm of Madden & Butler and also served as president of the Law Institute from 1886 to 1887.