All around the world, Kalhoff-Willsch (Kalhoff-Willsch 
) is an extremely rare unknown gender first name. Much more prevalently, Kalhoff-Willsch is the last name as well as the forename. Parts of the name also exists independently as a last name Kalhoff, and a last name Willsch.
| VARIANT | COUNTRY |
|---|---|
| Kalhoff-Willsch | Germany |