Cognomen מארקו (Mareco 
, מארקו 
) , all around the world, is a common family name. The surname מארקו is characteristic of Latin America and the Caribbean, particularly Paraguay, where it is a common surname, Argentina, where it is quite a common surname, and Uruguay, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Latin America and the Caribbean, particularly Paraguay, Argentina, and Brazil.