Cognomen Niswonger (Niswonger 
) , globally, is quite a rare family name. The last name Niswonger is habitual in the United States, where it is a rare surname, New Zealand, where it is a very rare surname, and Canada.
| VARIANT | COUNTRY |
|---|---|
| Niswonger | United Kingdom, Canada, New Zealand, Venezuela, United States |
| charles elliott niswonger US author (1868-1918), US (b. 1868) |
|
|
| ilse w. niswonger American artist (b. 1900) |
|
|
| richard niswonger researcher ORCID ID = 0000-0001-6397-2403 |
|