United Socialist Party
# United Socialist Party

United or Unified or Unitary Socialist Party may refer to:

* Unified Socialist Party of Andalusia
* United Socialist Party (Bolivia)
* Unified Socialist Party (Burkina Faso)
* Unified Socialist Party of Catalonia
* Unified Socialist Party (France)
* Unified Socialist Party (Germany)
* Unified Socialist Party (Italy)
* Unitary Socialist Party (Italy, 1922)
* Unitary Socialist Party (Italy, 1949)
* United Socialist Party of Korea
* Unified Socialist Party of Mexico
* Unified Socialist Party (Morocco)
* Communist Party of Nepal (Unified Socialist)
* Unified Socialist Party (Persia)
* United Socialist Party (Romania)
* Socialist United Party of Russia
* Unitary Socialist Party–Socialist Agreement, San Marino
* United Socialist Party (Sri Lanka)
* United Socialist Party (UK)
* United Socialist Party of Venezuela
   * United Socialist Party of Venezuela Youth
