Around the globe, Silwia (Silwia 
) is a rare gender-neutral forename. The first name Silwia is habitual in Eastern Europe, particularly Poland, where it is a rare epicene name. Very seldom, Silwia is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Silwia | Spain, Brazil, India, Poland, United States |
| silwia witkowska |
|