The Socialist Workers Party (Spanish: Partido Obrero Socialista, POS), initially known as the Workers Party of Cuba (Spanish: Partido Obrero de Cuba), was a political party in Cuba.
The party published La Voz Obrera.
In the party was joined by Carlos Baliños, who had formed the Socialist Propaganda Club 1903.
Baliños became the leading figure of the party, and the name was changed to POS.
This article about a Cuban political party is a stub.