Family name Экштейн (Eckstein 
, Ekshtein 
, Экштейн 
) , in all the world, is a common cognomen. The cognomen Экштейн is habitual in Germany, where it is quite a common surname, Israel, where it is quite a rare surname, and Switzerland. In absolute terms, it is commonest in Germany, the United States, and Israel. Much less frequently, Экштейн is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eckstein | Germany, Switzerland, Brazil, United States, Israel |
| Ekshtein | Kazakhstan, United States, Israel, China, Russia |
| Экштейн | Kyrgyzstan, Kazakhstan, Russia |
| Ekshteyn | United States |