Family name Molhuysen (Molhuysen 
) , throughout the world, is a very rare last name. The family name Molhuysen is characteristic of Netherlands, where it is a very rare surname, Australia, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Molhuysen | Netherlands, United Kingdom, Australia |
|
philipp christiaan molhuysen Dutch librarian and author (1870-1944), NL (b. 1870) |
|
| elsa molhuysen (b. 1885) |
|