Last name Clauzel-Kieffer (Clauzel-Kieffer 
) , in the entire world, is an extremely rare cognomen. The surname Clauzel-Kieffer is characteristic of Western Europe, particularly France, where it is an extremely rare surname. Parts of the name also exists independently as a last name Clauzel, and a last name Kieffer.
| VARIANT | COUNTRY |
|---|---|
| Clauzel-Kieffer | France |