Participants
| Laci Siki | Canada |
| Ieva Silina | Latvia |
| Priscilla Silva | Brazil |
| Szilvia Silye | Hungary |
| Natasa Simic | Serbia |
| Bogdan C. Simionescu | Romania |
| István Simon | Hungary |
| Tamás Simon | Hungary |
| Grace Sirju-Charran | Trinidad and Tobago |
| Barbora Skálová | Czech Republic |
| Anne Skeef | South Africa |
| Rocky Skeef | South Africa |
| Peter Skogh | Sweden |
| Margaret Sleeboom-Faulkner | United Kingdom |
| Ivo Sluganovic | Croatia |
| Joseph Smith | United States of America |
| Tamás Sneider | Hungary |
| Yousra Sobeih | Egypt |
| Namrah Sohail | Pakistan |
| Samuel Setonji Sojinu | Nigeria |
| Jan Helge Solbakk | Norway |
| Salah Soliman | Egypt |
| Katalin Solymosi | Hungary |
| Jenő Sólyom | Hungary |
| Gábor Soós | Hungary |
| Beáta Sperlágh | Hungary |
| Lucilla Spini | Italy |