Globally, Wille-Haussmann (Wille-Haussmann 
) is an extremely rare unknown gender forename. Predominantly, Wille-Haussmann is the last name as well as the forename. Parts of the name also exists independently as a last name Wille, and a last name Haussmann.
| VARIANT | COUNTRY |
|---|---|
| Wille-Haussmann | Germany |