| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 321 | Shurik | Russian | Defender of man. | M | |
| 322 | Shurochka | Russian | Defender of man. | M | |
| 323 | Sinovia | Russian | Stranger. | F | |
| 324 | Siny | Russian | Stranger. | F | |
| 325 | Slavik | Russian | Glory. | M | |
| 326 | Sonechka | Russian | Wise. | F | |
| 327 | Sonia | Russian | Variant of Sophia: wisdom. | F | |
| 328 | Sonja | Russian | Variant of Sophia: wisdom. | F | |
| 329 | Sonya | Russian | Variant of Sophia: wisdom. | F | |
| 330 | Stanislov | Russian | Glory. | M | |
| 331 | Stasy | Russian | Reborn. | F | |
| 332 | Stefan | Russian | Russian form of Stephen 'crowned with laurels'. | M | |
| 333 | Stefanya | Russian | Feminine form of Stephan: crowned with laurels. Note: 'This Database is Copyright Muse Creations Inc. 2000'.. | F | |
| 334 | Stephan | Russian | Russian form of Stephen 'crowned with laurels'. | M | |
| 335 | Stephania | Russian | Feminine form of Stephan: crowned with laurels. | F | |
| 336 | Stepka | Russian | Russian form of Stephen 'crowned with laurels'. | M | |
| 337 | Stesha | Russian | Feminine form of Stephan: crowned with laurels. | F | |
| 338 | Sveta | Russian | Luminescent. | F | |
| 339 | Svetlana | Russian | Luminescent. | F | |
| 340 | Tahna | Russian | Abbreviation of Tatiana which is feminine of the Roman family clan name Tatius. | F | |