Family name ליב (Liv 
, Leib 
, ליב ) , worldwide, is quite a common last name. The cognomen ליב is characteristic of Israel, where it is quite a common surname, Estonia, where it is quite a rare surname, and Germany. Not in comparison with a country's population, the name is most common in Germany, the United States, and Israel. Also, ליב is the forename as well as the last name.