Cognomen Vitr (Witter 
, Vitr 
, Vitki ) , in the world, is quite a common surname. The surname Vitr is characteristic of Jamaica, where it is quite a common surname, Bahrain, where it is quite a rare surname, and Germany. Measured by absolute frequency, it is the most numerous in the United States, Germany, and Jamaica. Very seldom, Vitr is the forename as well as the last name.