Cognomen Kjaernsmo (Kjaernsmo 
) , in the entire world, is a rare surname. The surname Kjaernsmo is characteristic of Northern Europe, particularly Norway, where it is quite a rare surname. Very seldom, Kjaernsmo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kjaernsmo | Norway |