Last name Kupferschmitt (Kupferschmitt 
) , in the entire world, is a very rare cognomen. The cognomen Kupferschmitt is habitual in Western Europe, particularly Germany, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kupferschmitt | Germany |
| rudy kupferschmitt German writer, DE (b. 1954) |
|