Cognomen Vitni (Vitni 
, Vitne 
, Вітні 
) , in the entire world, is a very rare family name. The family name Vitni is characteristic of Hungary, where it is a very rare surname, Israel, and Argentina. In absolute terms, it is the most numerous in India, Hungary, and Argentina. Much more prevalently, Vitni is the forename as well as the last name.