Surname Nikolaysen (Nikolaysen 
, Ніколайсен 
) , throughout the world, is a very rare cognomen. The surname Nikolaysen is characteristic of Norway, where it is quite a rare surname, Australia, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Very seldom, Nikolaysen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nikolaysen | Norway, Spain, United Kingdom, Australia |
| Ніколайсен | Ukraine |
|
ellen nikolaysen Norwegian actor and singer, NO (b. 1951) |
|