Surname Savostian (Савостьян 
, Savostian 
) , globally, is a rare family name. The cognomen Savostian is characteristic of Belarus, where it is quite a rare surname, Ukraine, where it is a rare surname, and Kazakhstan, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Europe, particularly Belarus, Ukraine, and Russia. Much less frequently, Savostian is the forename as well as the last name.