Surname Newswanger (Newswanger 
) , in all the world, is a rare cognomen. The cognomen Newswanger is characteristic of the United States, where it is a rare surname, and Costa Rica, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Newswanger | Costa Rica, United States |
| peter m. newswanger (b. 1866) |
|
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| christian newswanger 1927-1995 artist, US (b. 1927) |
|