Cognomen Гринбойм (Gruenbaum 
, Гринбойм 
, Grinboym ) , in the world, is a rare family name. The family name Гринбойм is habitual in Estonia, where it is a rare surname, Austria, and Germany. Not in comparison with a country's population, this name is the most popular in the United States, Germany, and Brazil. Very seldom, Гринбойм is the forename as well as the last name.