Cognomen Siv-Aina (Siv-Aina 
) , in the world, is an extremely rare surname. Predominantly, Siv-Aina is the forename as well as the last name. Parts of the name also exists independently as a first name Siv, and a first name Aina.
| VARIANT | COUNTRY |
|---|---|
| Siv-Aina | Norway |