Surname Wallhorn (Wallhorn 
) , globally, is a rare last name. The last name Wallhorn is habitual in Sweden, where it is a rare surname, Germany, and South Africa, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wallhorn | United Kingdom, South Africa, Sweden, Germany, United States |
|
arne wallhorn SE (b. 1921) |
|
| maj-britt wallhorn Swedish politician, SE (b. 1926) |
|