>
Surname Thielen (Thielen
) , worldwide, is a common last name. The cognomen Thielen is characteristic of Western Europe, particularly Luxembourg, where it is quite a common surname, Belgium, where it is quite a rare surname, and Germany. In absolute terms, it is commonest in Germany, the United States, and Belgium. Much less frequently, Thielen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thielen | Netherlands, Belgium, France, United States, Germany |