Cognomen Nina-Iren (Nina-Iren 
) , around the globe, is an extremely rare family name. Much more frequently, Nina-Iren is the forename as well as the last name. Parts of the name also exists independently as a first name Nina, and a first name Iren.
| VARIANT | COUNTRY |
|---|---|
| Nina-Iren | Norway |
Tvenning, and Kaltenborn