Surname Myasin (Myasin 
, Мясин 
) , around the world, is quite a rare last name. The last name Myasin is habitual in Rwanda, where it is a rare surname, Russia, and Belarus. Not in comparison with a country's population, the name is most common in Russia, Rwanda, and Kazakhstan. Very seldom, Myasin is the forename as well as the last name.