Family name Kettschau (Kettschau 
) , worldwide, is a rare last name. The surname Kettschau is characteristic of Western Europe, particularly Germany, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Kettschau | Germany |
| kurt kettschau French Righteous Among the Nations, FR |
|
|
| marta kettschau French Righteous Among the Nations, FR |
|
|
| charles kettschau FR |
|