Only Cuba holds that distinction.
Cuba is such country.
Cuba was the country that saw a successful communist revolution in the 1950's.
As of now, there is one country in Latin America that is officially recognized as a communist state: Cuba. While Venezuela has been described as having communist sympathies and a government that leans towards socialism, it is not officially classified as a communist country. Other nations in the region may have leftist governments, but they do not adhere to strict communist ideologies.
Nicaragua
Peru isn't communist...
Cuba is a Latin American country that is governed by a communist regime, with the Communist Party of Cuba being the only legal political party.
No, there may be some countries where the leader tends to be socialist, but out and out communism there is no country in South America with this system.
Cuba
Cuba qualifies as such.
south america is neither a communist nor a country
Fidel Castro (Cuba)