Cognomen Rueggeberg (Rueggeberg 
) , globally, is a rare last name. The surname Rueggeberg is habitual in Germany, where it is a rare surname, Spain, where it is a very rare surname, and Canada, where it is an extremely rare surname. In absolute terms, it is commonest in Germany, Spain, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Rueggeberg | Germany, Spain, Mexico, United States, Canada |
| frederick a. rueggeberg researcher |
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| alfred rueggeberg manufacturer; provided affidavit on Karl Brandt |
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