Social Democratic Party of America
| Social Democratic Party of America | |
|---|---|
| Founded | June 11, 1898 | 
| Dissolved | July 28, 1901 | 
| Preceded by | Social Democracy of America | 
| Succeeded by | Socialist Party of America | 
| Ideology | Democratic socialism Social democracy | 
| Political position | Left-wing | 
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.