New York Senator, labor advocate.

Robert Ferdinand Wagner I (June 8, 1877May 4, 1953) was an American attorney and Democratic Party politician who represented the state of New York in the United States Senate from 1927 to 1949.

Robert Ferdinand Wagner II (April 20, 1910 – February 12, 1991) was an American diplomat and politician who served three terms as the mayor of New York City from 1954 through 1965.

Robert Heinrich Wagner, born as Robert Heinrich Backfisch (13 October 1895 – 14 August 1946) was a Nazi Party official and politician who served as Gauleiter and Reichsstatthalter of Baden, and Chief of Civil Administration for Alsace during the German occupation of France in World War II.