| Name | Country | Region | Address |
|---|---|---|---|
| Sysoeva Nadezhda Evgenevna | Russia | Moscow region | |
| Sysolyatin Kirill Eduardovich | Russia | ||
| Sysolyatina Darya Eduardovna | Russia | ||
| Sysun Dmitry Vladimirovich | Russia | Stavropol region | |
| Sytnikova Mariya Veniaminovna | Kazakhstan | ||
| Syubukov Sh.A., Volgogradskaya obl. | Russia | Volgograd region | |
| Szabo Andras | Hungary | ||
| Szekely Erika | Hungary | ||
| Szeko Aniko | Hungary | ||
| Szilard Zerinvary | Hungary |