Last name ヴァッサー (Vassar 
, ヴァッサー) , in all the world, is quite a rare cognomen. The family name ヴァッサー is characteristic of Estonia, where it is quite a rare surname, the United States, where it is a rare surname, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, Estonia, and Canada. Very seldom, ヴァッサー is the forename as well as the last name.