Cognomen Notsen (Notsen 
, Ноцен 
) , in the entire world, is a very rare surname. The last name Notsen is characteristic of Eastern Europe, particularly Belarus, where it is a rare surname, and Russia, where it is a very rare surname. Very seldom, Notsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Notsen | India |
| Ноцен | Russia, Belarus |