Surname ガイガー (Geiger 
, ガイガー 
) , throughout the world, is a common cognomen. The last name ガイガー is habitual in Western Europe, particularly Liechtenstein, where it is quite a common surname, Austria, and Germany (explore the name in all countries). Measured by absolute frequency, this name is the most popular in Germany, the United States, and Austria. Much less frequently, ガイガー is the forename as well as the last name.