Cognomen Ерлих (Erlix 
, Ерлих 
, Erlih 
) , throughout the world, is a rare surname. The last name Ерлих is characteristic of Slovenia, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Latvia. Not in comparison with a country's population, this name is the most popular in Russia, the United States, and Slovenia. Very seldom, Ерлих is the forename as well as the last name.