Family name גריינר (Greiner 
, Grainer 
, גריינר 
) , in the entire world, is a common last name. The last name גריינר is habitual in Western Europe, particularly Austria, where it is quite a common surname, Germany, and Switzerland, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Germany, the United States, and Austria. Much less frequently, גריינר is the forename as well as the last name.