Family name Кубер (Kuber 
, Kouber 
, Кубер 
) , around the globe, is a common cognomen. The cognomen Кубер is habitual in Estonia, where it is quite a common surname, India, where it is quite a rare surname, and Oman, where it is a rare surname. In absolute terms, this name is the most popular in India, Estonia, and the United States. More frequently, Кубер is the forename as well as the last name.