Family name Jerwan-Keim (Jerwan-Keim 
) , globally, is a very rare cognomen. The cognomen Jerwan-Keim is habitual in Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Jerwan, and a last name Keim.
| VARIANT | COUNTRY |
|---|---|
| Jerwan-Keim | Germany |