Cognomen Каисер (Kaiser 
, Kayser , Каисер 
) , globally, is a widespread family name. The cognomen Каисер is habitual in Western Europe, particularly Liechtenstein, where it is a widespread surname, Germany, where it is a common surname, and Luxembourg, where it is quite a common surname (explore the name in all countries). Measured by absolute frequency, it is commonest in Germany, the United States, and Bangladesh. Very seldom, Каисер is the forename as well as the last name.