Socialist Party of Wisconsin
Founded	1973
Headquarters	Milwaukee, Wisconsin
Ideology	Democratic socialism Socialist feminism
National affiliation	Socialist Party USA[citation needed]
Colors	Red
Politics of United States Political parties Elections

This page deals with the political organization founded in 1973. For the political party which preceded it, see Social-Democratic Party of Wisconsin.

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The Socialist Party of Wisconsin (SPWI) is the state chapter of the Socialist Party USA (SPUSA)^{[citation needed]} in the U.S. state of Wisconsin. The Socialist Party had two locals, the Milwaukee County Local and the South Central Wisconsin Local.^{[citation needed]}

The Socialist Party of America voted 73:34 to change its name to Social Democrats, USA in December 1972.^[1] SPUSA was founded in 1973, after which the SPWI was founded.^{[citation needed]}

The Socialist Party of Wisconsin sees itself as a continuation of the Social-Democratic Party of Wisconsin, state affiliate of the Socialist Party of America.^{[citation needed]} This organization elected a number of candidates to office over the three-quarters of a century of its existence.^{[citation needed]}

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• Diane Drufenbrock, Milwaukee resident and Socialist Party USA nominee for vice-president in 1980
• Angela Nicole Walker, Milwaukee resident and Socialist Party USA nominee for vice-president in 2016
• Frank Zeidler, Mayor of Milwaukee (1948-1960) and Socialist Party USA nominee for president in 1976