Surname Wielhelm (Wielhelm 
) , globally, is a very rare cognomen. The family name Wielhelm is characteristic of Spain, where it is an extremely rare surname, Mexico, and Venezuela. In absolute terms, it is commonest in Mexico, Spain, and Brazil. Also, Wielhelm is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wielhelm | Brazil, Spain, Mexico, United States, Costa Rica |