Surname Rottacker (Rottacker 
) , all over the world, is a very rare cognomen. The family name Rottacker is characteristic of Canada, where it is a very rare surname, Germany, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rottacker | Germany, United States, Canada |
| gustav rottacker DE (b. 1927) |
|
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| erin c. rottacker botanist |
|