Cognomen シーバー (Sieber 
, Seaver 
, Schieber 
) , in the entire world, is a common surname. The surname シーバー is characteristic of Western Europe, particularly Switzerland, where it is quite a common surname, Liechtenstein, and Germany (explore the name in all countries). Measured by absolute frequency, the name is most common in Germany, the United States, and Switzerland. Much less frequently, シーバー is the forename as well as the last name.