Social Democracy of America

{{Infobox political party Social Democratic Party of America Utopian socialism }}
 * name = Social Democracy of America
 * abbreviation = SDA
 * founded = June 15, 1897
 * merger = June 14, 1898 into Socialist Labor Party
 * predecessor = American Railway Union
 * successor = Socialist Labour Party
 * ideology = Democratic socialism
 * position = Left-wing
 * country = {{flag|USA}