Last name Justnæs (Justnæs 
) , worldwide, is an extremely rare cognomen. The surname Justnæs is habitual in Northern Europe, particularly Norway, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Justnæs | Norway |
| gunvald justnæs Norwegian editor (b. 1941) |
|
Rita, Gunvald, and Anne-Katrine