Partido Socialista Puertorriqueño

Partido Socialista Puertorriqueño (Puerto Rican Socialist Party, PSP) was a Puerto Rican political party that existed from the 1970s to the late 1980s. PSP's main ideology was for Puerto Rico to become a socialist government. Many Puerto Ricans connected the Socialist party's idelogies with Communism.

One of the main reasons that the PSP was able to survive for almost 20 years was that their leader and perennial governor candidate, Juan Mari Bras, was a man who had much television exposure, having his own show for a considerable amount of time on one of Puerto Rico's minor channels.

PRP was also known as the "yellow party" in Puerto Rico. The party's central offices were located in Mayagüez.