Surname Honer-Kastenholz (Honer-Kastenholz 
) , globally, is a very rare cognomen. The last name Honer-Kastenholz is characteristic of Western Europe, particularly Germany, where it is a very rare surname. Parts of the name also exists independently as a last name Honer, and a last name Kastenholz.
| VARIANT | COUNTRY |
|---|---|
| Honer-Kastenholz | Germany |