State Party
State Party can refer to:
- A type of political party in India with significant representation in 1–3 states
- The German State Party, a liberal party in Germany (active 1930–33)
- The Liberal State Party, a liberal party in the Netherlands (active 1921–46)
- The Roman Catholic State Party, a Christian-democratic party in the Netherlands (active 1926–45)
- The ruling party in a One-party state
- The State Party of Serbian, Croatian and Slovene Democrats, the name used by the Democratic Party of Yugoslavia between 1919 and 1924
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