| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Suoma | SOO-o-mah | Finnish | ||
| Susanna | soo-ZAHN-nah (Italian), SOO-sahn-nah (Finnish), soo-ZAN-ə (English) | Italian, Swedish, Finnish, Russian, Dutch, English, Biblical, Biblical Latin, Old Church Slavic | ||
| Suvi | SOO-vee | Finnish | ||
| Sylvi | SUYL-vee (Finnish) | Norwegian, Swedish, Finnish | ||
| Sylvia | SIL-vee-ə (English), SUYL-vee-ah (Finnish) | English, Swedish, Norwegian, Danish, Finnish, German |