This article lists political parties in Puerto Rico.
Puerto Rico has a hybrid '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.
These criteria categorize political parties as follows:
Political parties meeting the stated criteria are certified and inscribed by the State Elections Commission.
As of 2016, Puerto Rico has 4 registered electoral parties:
A number of unregistered political parties and organizations exist in Puerto Rico outside of the electoral arena. These organizations span the entire political spectrum: