Cognomen Васий (Vasy 
, Vasiy 
, Vasii ) , around the globe, is quite a common surname. The cognomen Васий is habitual in Romania, where it is quite a common surname, India, where it is a rare surname, and Bulgaria. Not in comparison with a country's population, this name is the most popular in India, Romania, and Italy. Very seldom, Васий is the forename as well as the last name.