| Link | Location |
|---|
 | Daniel G. Rego | Washington, District of Columbia, United States |
 | Debora Reguly | Minneapolis, Minnesota, United States |
 | Nabeel Ur Rehman | Heilbronn, Germany |
| Marek Řehulka | Brno, Czech Republic |
| Sylvia Reichardt | Nuremberg, Germany |
| Wim Reinders | Den Haag, Netherlands |
| Annika Reindl | Munich, Germany |
| Marvin Reinecke | Munich, Germany |
| Petter Reiso | Oslo, Norway |
| David Reiter | Vienna (Online), Austria |
| Dmytro Reitmaier | Kyiv, Ukraine |
| Maksim Remizov | Moscow, Russia |
| MATTHEW REMKE | Eden Prairie, Minnesota, United States |
| Anjun Ren | Amsterdam, Netherlands |
| Masuda Ren | Tokyo, Japan |
