Surname Niswanger (Niswanger 
) , across the world, is a rare family name. The family name Niswanger is habitual in New Zealand, where it is a very rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Niswanger | United States, New Zealand |
| jacob niswanger (b. 1767) |
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rudy niswanger player of American football, US (b. 1982) |
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| hailey niswanger US (b. 1990) |
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