Last name Lyudin (Lyudin 
, Людин 
) , across the world, is a rare cognomen. The family name Lyudin is characteristic of New Zealand, where it is a rare surname, Russia, where it is a very rare surname, and Kazakhstan. Not in comparison with a country's population, it most frequently occurs in Russia, New Zealand, and the United States. Much less frequently, Lyudin is the forename as well as the last name.