Surname Блумберг (Blumberg 
, Bloomberg 
, Блумберг 
) , all over the world, is quite a common family name. The cognomen Блумберг is characteristic of Estonia, where it is quite a rare surname, Germany, and Malta. Not in comparison with a country's population, it most frequently occurs in the United States, Germany, and South Africa. Much less frequently, Блумберг is the forename as well as the last name.