| Sasha | Unisex | Russian Names |
| Satanaya | Woman | Russian Names |
| Sava | Man | Russian Names |
| Savva | Man | Russian Names |
| Scriabin | Unisex | Russian Names |
| Sergei | Man | Russian Names |
| Sezja | Woman | Russian Names |
| Sonya | Woman | Russian Names |
| Stasia | Woman | Russian Names |
| Taisiya | Woman | Russian Names |
| Tamara | Woman | Russian Names |
| Tania | Woman | Russian Names |
| Tanya | Woman | Russian Names |
| Tatiana | Woman | Russian Names |
| Tchaikovsky | Man | Russian Names |
| Tikhon | Man | Russian Names |
| Timofey | Man | Russian Names |
| Ulyana | Woman | Russian Names |
| Vadim | Man | Russian Names |
| Valeriy | Man | Russian Names |