Family name Ingenhousz (Ingenhousz 
) , around the world, is a very rare surname. The surname Ingenhousz is habitual in Netherlands, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Ingenhousz | Netherlands, United States |
|
jan ingenhousz Dutch physiologist (1730–1799), NL (b. 1730) |
|
| arnoldus josephus ingenhousz NL (b. 1766) |
|