| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Simona | - | Italian, Czech, Slovak, Romanian, Lithuanian, Slovene, Bulgarian, Macedonian | ||
| Simonas | - | Lithuanian | ||
| Simone (2) | see-MAW-ne | Italian | ||
| Simonetta | see-mo-NET-tah | Italian | ||
| Simonette | - | English (Rare) | ||
| Simoni | - | Georgian | ||
| Simonides | - | Ancient Greek | ||
| Simonu | - | Old Church Slavic | ||
| Sinclair | sin-KLER | English (Rare) | ||
| Sindre | - | Norwegian | ||
| Sindri | - | Norse Mythology, Ancient Scandinavian, Icelandic | ||
| Sindy | SIN-dee | English (Rare) | ||
| Singh | - | Indian (Sikh) | ||
| SiniŠA | - | Croatian, Serbian | ||
| Sinjin | - | English (Rare) |