Worldwide, Thiemen (Thiemen 
) is a very rare masculine forename. The forename Thiemen is characteristic of Western Europe, particularly Belgium, where it is a rare male name. Much less frequently, Thiemen is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thiemen | Belgium, United States, Germany, Netherlands |
| thiemen hielkema Dutch Righteous Among the Nations, NL (b. 1895) |
|