Family name Клайнер (Klainer 
, Клайнер 
) , around the globe, is a rare last name. The surname Клайнер is habitual in Belgium, where it is a rare surname, Bulgaria, and Argentina, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Argentina, and Brazil. Very seldom, Клайнер is the forename as well as the last name.