Social Democratic Party of America

Social Democratic Party of America
FoundedJune 11, 1898; 126 years ago (1898-06-11)
DissolvedJuly 28, 1901; 123 years ago (1901-07-28)
Preceded bySocial Democracy of America
Succeeded bySocialist Party of America
IdeologyDemocratic socialism
Political positionLeft-wing
1900 NEC members

The Social Democratic Party of America (SDP) was a short-lived political party in the United States established in 1898.

The group was formed out of elements of the Social Democracy of America (SDA) and was a predecessor to the Socialist Party of America which was established in 1901.