Cognomen Kaferstein (Kaferstein 
) , across the world, is a very rare family name. The surname Kaferstein is characteristic of Argentina, where it is a very rare surname, Canada, where it is an extremely rare surname, and the United Kingdom. Not in comparison with a country's population, it is the most numerous in the United States, Argentina, and the United Kingdom. Very seldom, Kaferstein is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaferstein | United Kingdom, United States, Argentina, Canada |