The Dorvish Socialist Libertarian Party (Dorvische: Dorvische Sozialistischen Liberalistischen Partei) was a social democratic, pacifist, internationalist, libertarian and federalist party founded in 2587 in Langton by Sebastiano Prospero, Joseph Noland and Peter Guaron. Alongside the Social Democrats of Dorvik and the People's Revolutionary Socialist Party, it was a member of the Dorvik Left Unity Project. From 2590 to 2603 it was in every cabinet alliance, and from 2593 to 2603 it held the Prime Ministry in Dorvik.