Cognomen Maartti (Smart 
, Maartti 
) , across the world, is a widespread family name. The cognomen Maartti is characteristic of Saint Vincent and the Grenadines, where it is a common surname, Grenada, where it is quite a common surname, and Guernsey (explore the name in all countries). Not in comparison with a country's population, this name is the most popular in the United States, Nigeria, and the United Kingdom. Also, Maartti is the forename as well as the last name.