Surname Pieter Willem (Pieter Willem 
) , all around the world, is an extremely rare last name. The last name Pieter Willem is characteristic of Western Europe, particularly Germany, where it is an extremely rare surname. More frequently, Pieter Willem is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Pieter Willem | Germany, Belgium, South Africa, Spain, Netherlands |