Last name Vostan (Vostan 
, Востан 
) , throughout the world, is a very rare family name. The last name Vostan is habitual in Greece, where it is a very rare surname, New Zealand, and Germany, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Greece, India, and Germany. Likewise, Vostan is the forename as well as the last name.