Family name בלוג (Balogh 
, Blog 
, בלוג 
) , in the entire world, is a common last name. The cognomen בלוג is characteristic of Eastern Europe, particularly Hungary, where it is a widespread surname, Slovakia, where it is quite a common surname, and Romania. In absolute terms, this name is the most popular in Hungary, Romania, and the United States. Much less frequently, בלוג is the forename as well as the last name.