Family name Vitau (Vitau 
) , around the world, is a very rare surname. The cognomen Vitau is characteristic of France, where it is a very rare surname, Brazil, where it is an extremely rare surname, and the United States. Not in comparison with a country's population, this name is the most popular in France, India, and the United States. Much more prevalently, Vitau is the forename as well as the last name.