The Socialist Unity Party of Germany was the ruling party of East Germany from 1949 to 1989.
Socialist Unity Party may also refer to:
- Canadian National Socialist Unity Party
- Republican Socialist Unity Party, Bolivia
- Socialist Unity Party (Finland)
- Socialist Unity Party (Turkey)
- Socialist Unity Party of Germany
- Socialist Unity Party of New Zealand
- Socialist Unity Party of West Berlin, Germany
See also
- Socialist Unity (disambiguation)
- List of socialist parties