Last name Welzin (Welzin 
) , throughout the world, is a rare surname. The surname Welzin is habitual in Germany, where it is a rare surname, Denmark, and the United States, where it is an extremely rare surname. Very seldom, Welzin is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Welzin | Brazil, India, United States, Denmark, Germany |
| maria veronika welzin CH (b. 1571) |
|
|
| leonore welzin |
|