Cognomen Selwina (Selwina 
) , throughout the world, is a rare surname. The surname Selwina is habitual in Poland, where it is a rare surname, and Israel, where it is a very rare surname. Very seldom, Selwina is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Selwina | Philippines, Poland, Israel, India, Brazil |