In all the world, Nieuwenhuis (Nieuwenhuis 
) is an extremely rare unknown gender first name. Much more prevalently, Nieuwenhuis is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nieuwenhuis | United States, South Africa, Netherlands, Germany, Canada |
| arend jan nieuwenhuis NL (b. 1865) |
|
|
| engbert jan nieuwenhuis Dutch entomologist, NL |
|
|
| sander nieuwenhuis researcher |
|