Family name Nelzon (Nelzon 
) , all over the world, is a rare cognomen. The cognomen Nelzon is characteristic of Latin America and the Caribbean, particularly Honduras, where it is quite a rare surname, Nicaragua, and Venezuela, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Honduras, Mexico, and Nicaragua. More prevalently, Nelzon is the forename as well as the last name.