Surname Немен (Niemen 
, Немен 
) , all over the world, is a rare cognomen. The family name Немен is characteristic of Poland, where it is a rare surname, Italy, and Finland, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Italy, Poland, and the United Kingdom. Much less frequently, Немен is the forename as well as the last name.