Cognomen Vyal (Vyal 
, Вяль 
) , in all the world, is a rare last name. The cognomen Vyal is characteristic of Eastern Europe, particularly Belarus, where it is quite a rare surname, Russia, where it is a very rare surname, and Ukraine. In absolute terms, it is the most numerous in Belarus, Russia, and India. Much less frequently, Vyal is the forename as well as the last name.