Family name Walthoff-Borm (Walthoff-Borm 
) , worldwide, is an extremely rare cognomen. The surname Walthoff-Borm is characteristic of Western Europe, particularly Belgium, where it is a very rare surname. Parts of the name also exists independently as a last name Walthoff, and a last name Borm.
| VARIANT | COUNTRY |
|---|---|
| Walthoff-Borm | Belgium |