French, Italian, Portuguese, Spanish, and Romanian are also official languages of the European Union . Spanish, Portuguese, French, Italian, Romanian, and Catalan are the official languages of the Latin Union ; and French and Spanish are two of the six official languages of the United Nations . Outside Europe, French , Portuguese and Spanish are spoken and enjoy official status in various countries that emerged from the respective colonial empires . Spanish is an official language in nine countries of South America , home to about half that continent's population; in six countries of Central America (all except Belize ); and in Mexico . In the Caribbean , it is official in Cuba , the Dominican Republic , and Puerto Rico . In all these countries, Latin American Spanish is the vernacular language of the majority of the population, giving Spanish the most native speakers of any Romance language. In Africa it is the official language of Equatorial Guinea , but has few native speakers there.