| Name | Origin | Meaning | Gender | Save |
| Sylvan | Latin | Of the forest. | M | ![]() |
| Sylvana | English | Variant of Latin Sylvia, meaning from the forest. | F | ![]() |
| Sylvana | Latin | From the forest. | F | ![]() |
| Sylvania | Latin | From the forest. | F | ![]() |
| Sylvanus | Latin | Of the forest. | M | ![]() |
| Sylvester | English | See Silvester. | M | ![]() |
| Sylvester | Latin | Of the woods; of the forest. Famous Bearer: action movie actor Sylvester Stallone. | M | ![]() |
| Sylvia | Latin | From the forest. | F | ![]() |
| Sylvie | English | Variant of Latin Sylvia, meaning from the forest. | F | ![]() |
| Sylvie | Latin | Diminutive of Silvia: From the forest. | F | ![]() |
| Sylvina | English | Variant of Latin Sylvia, meaning from the forest. | F | ![]() |
| Sylvonna | English | Variant of Latin Sylvia, meaning from the forest. | F | ![]() |
| Sylwia | Polish | Polish form of Sylvia: from the woods. | F | ![]() |
| Symaethis | Latin | Mother of Ads. | F | ![]() |
| Symeon | Greek | Sign. | M | ![]() |
| Symeon | Hebrew | Obedient. | M | ![]() |
| Symington | English | From Simon's estate. | M | ![]() |
| Symon | English | Variant of Simon meaning 'hear; listen.'. | M | ![]() |
| Symon | Greek | Variant of Simon meaning 'hear; listen.'. | M | ![]() |
| Symontun | English | From Simon's estate. | M | ![]() |
| Syn | Norse | Invoked during trials. | F | ![]() |
| Syna | Greek | Together. | F | ![]() |
| Synn | Anglo-Saxon | Sin. | M | ![]() |
| Synne | Anglo-Saxon | Gift of the sun. | F | ![]() |
| Synnove | Anglo-Saxon | Gift of the sun. | F | ![]() |
| Syntyche | Biblical | That speaks or discourses. | F | ![]() |
| Syracuse | Biblical | That draws violently. | F | ![]() |
| Syracuse | Biblical | That draws violently. | M | ![]() |
| Syrinx | Greek | A nymph. | F | ![]() |
| Syver | Norse | Victorious defender. | M | ![]() |
| Syvwkh | Welsh | Legendary son of Cleddyv KyvwIch. | M | ![]() |
| Szczepan | Polish | Crown. | M | ![]() |