Family name Гайсер (Geisser 
, Гайсер 
, Gajser 
) , in the entire world, is quite a rare surname. The surname Гайсер is characteristic of Liechtenstein, where it is quite a common surname, Switzerland, and Slovenia, where it is quite a rare surname. In absolute terms, the name is most common in Switzerland, Germany, and the United States. Very seldom, Гайсер is the forename as well as the last name.