Last name Rosacker (Rosacker 
) , around the globe, is a rare surname. The family name Rosacker is characteristic of Germany, where it is a rare surname, the United States, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Rosacker | Canada, United States, Germany |
| richard david rosacker (b. 1926) |
|
|
| hans horst rosacker |
|