| Name | Country | Region | Address |
|---|---|---|---|
| Syeryenko Irina Syergyeevna | Russia | ||
| Syeryezhina Natalya Viktorovna | Russia | ||
| Syktyvkarskii SHT | Russia | ||
| Syktywkar, RGU SDJuKSSch | Russia | Республика Коми | |
| Sylvia Bate (Germaniia) | |||
| Sylvia Howell | USA | ||
| Sylvia Peyron | France | ||
| Sylvia Peyron-2022 | France | ||
| Sypkov Anatoliy Anatolevich | Russia | Rostov region | |
| Syr-Darinskii KSK | Russia |