Participants
| Zainab Rasheed | Iraq |
| Ashish Rauniyar | Nepal |
| Antoine Rauzy | France |
| Muhammad Raynaldi | |
| András Recski | Hungary |
| Linnea REGNELL | Sweden |
| Magali Reinert | France |
| Melvinne Renju | Kenya |
| Stella Reschke | Belgium |
| Miklós Réthelyi | Hungary |
| Julien Roche | France |
| Antal Rockenbauer | Hungary |
| Mathilde Rodrigues | France |
| Marianela Rodriguez | Argentina |
| Alexis Roig | Spain |
| Michele Romanello | Italy |
| Maria Ronald | India |
| Antonio José Roque da Silva | Brazil |
| Györgyi Rosta-Szmilkó | |
| Govind Rosyara | Nepal |
| Balázs Rózsa | Hungary |
| Zsuzsanna Szofia Rozsa | |
| Kevein Ruas de Oliveira | Brazil |
| Brian Rudkin | France |
| Pierre-Bruno Ruffini | France |
| Rosaura Ruiz Gutiérrez | Mexico |
| Charlotte Rungius | Austria |