| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Sigrid | SEEG-reed (Finnish) | Norwegian, Swedish, Danish, Estonian, Finnish (Archaic) | ||
| Siiri | SEE:-ree (Finnish) | Estonian, Finnish | ||
| Sofia | zo-FEE-ah (German), so-FEE-ah (Italian), soo-FEE-ə (Portuguese), SO-fee-ah (Finnish) | Norwegian, Swedish, German, Italian, Portuguese, Catalan, Greek, Finnish, Estonian, Slovak, Romanian |