This article lists political parties in Puerto Rico.
Puerto Rico has a 'first past the post' electoral system, in which a voter can vote by party, by candidate or both. To qualify as an official political party (and thus be able to appear on the printed state electoral ballot), a party must meet the criteria set forth by the Puerto Rico Electoral Law.
This list sorts political parties either alphabetically or by date of founding.
As of 2020, Puerto Rico has five registered electoral parties:
The existing parties in Puerto Rico at the time of change of sovereignty in 1898 reinvented themselves into parties with by-laws, platforms and ideologies consistent with the new political reality brought about by the change of sovereignty. The Barbosistas, followers of Jose Celso Barbosa and mostly aligned with Partido Autonomista Ortodoxo, formed the Partido Republicano Puertorriqueño, while the Muñocistas, followers of Luis Muñoz Rivera and mostly aligned with Partido Liberal Puertorriqueño, formed Partido Federal.
There were no political parties in Puerto Rico until 1870. Bolivar Pagan states the following were the political parties in Puerto Rico during the years of Spanish sovereignty.
A number of unregistered political parties and organizations exist in Puerto Rico outside of the electoral arena. These organizations span the entire political spectrum:
Unlike the political parties listed above, which are eligible for registration with the Comisión Estatal de Elecciones (CEE) upon fulfilling CEE requirements, the following parties exist as affiliates of American parties and participate in the U.S. primaries of the corresponding American parties at the federal level. Also, unlike the Puerto Rican political parties above, all of which are based in Puerto Rico, these parties are headquartered in mainland United States.
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