| Name | Country | Region | Address |
|---|---|---|---|
| Sinyaev S.P., Altayskiy kray | Russia | Altai region | |
| Sinyagin A.I. | Russia | Кемеровская область | |
| Sinyagovskiy Vladimir Ilich | Russia | Krasnodar Region | |
| Sinyakov Roman Sergeevich | Belarus | ||
| Sinyakova Viktoriya Vyacheslavovna | Belarus | ||
| Sinyelshchikova Olga Syergyeevna | Russia | Moscow | |
| Siobhan Flynn-Collins | Great Britain | ||
| Sionskaja O.W.,tsch.wl. | Russia | S.-Peterburg | |
| Sionsky A.A. | Russia | S.-Peterburg | |
| Sir E.J. Loder | Ireland |