Surname Сергис (Sergis 
, Сергис 
, Serģis) , around the world, is a rare last name. The cognomen Сергис is characteristic of Greece, where it is quite a rare surname, Latvia, and Estonia, where it is a rare surname. Not in comparison with a country's population, it most frequently occurs in Greece, Latvia, and the United States. Likewise, Сергис is the forename as well as the last name.