Surname נאסן (נאסן 
, Knussen 
) , in the world, is a very rare family name. The cognomen נאסן is characteristic of New Zealand, where it is a very rare surname, Australia, and Israel. In absolute terms, it is the most numerous in Australia, the United Kingdom, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| נאסן | Israel |
| Knussen | New Zealand, United Kingdom, United States, Australia |