Surname Uays (Уаис 
, Уайс 
, Uays 
) , in all the world, is a very rare family name. The surname Uays is habitual in Kazakhstan, where it is a rare surname, Ukraine, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, this name is the most popular in Kazakhstan, Russia, and Ukraine. More frequently, Uays is the forename as well as the last name.