| Link | Location | |
|---|---|---|
 | Peter Ryskin | Copenhagen, Denmark |
| Jarkko Rytkönen | Jyväskylä, Finland |
| Sue Ryu | New York, New York, United States |
| Anatoly Ryzhkov | Москва, Russia |
| Pavel Ryžov | Prague, Czech Republic |
| Andrzej Rzepka | Lodz, Poland |
| Dariusz Rzeszotarski | Lodz, Poland |
| Emma S Mullin | Fairfield, Iowa, United States |
| Adam S | Gloucestershire, United Kingdom |
 | Subhan S | Yardley, Pennsylvania, United States |
| Rina Sa | Beijing, China |
| Faddy Saad | Ulm, Germany |
| Lars Saalbach | Nürnberg, Germany |
| Tommi Saaristoranta | Helsinki, Finland |
| Andrii Sabaiev | Kyiv, Ukraine |
