| Name | Cohort | Country |
|---|---|---|
| R Kavinkumar | India | |
| R Iyer Abhishek | India | |
| Raabe Wolfgang D |
Germany | |
| Raba Serrahima Gonzalo | Netherlands | |
| Rabe Hermann | South Africa | |
| Rabheru Raj | UK | |
| Racano Stéphane | UK | |
| Radaeli Ricardo | Brazil | |
| Rademann Mats | Germany | |
| Radhakrishnan Anand | India | |
| Radhakrishnan Velayudham | UK | |
| Radman Radovan | UK | |
| Rado Hilares Erik Wagner | Peru | |
| Rafael Lenarte Homen Angelo | Brazil | |
| Raffaele Dario | Netherlands | |
| Ragan Adam D |
UK | |
| Raggatt Tim | UK | |
| Raghav Sandeep | India | |
| Raghavan Satish W |
UK | |
| Raghupathy Vishnu Vardhan Reddy | India | |
| Ragnarsson Carl Johan | Denmark | |
| Raheem Sana Fatima | United Kingdom | |
| Rahman Jeihur Ziaur | UK | |
| Raj Anurag | India | |
| Rajarajan Dr Jega | UK | |
| Rajaram Sanjay | USA | |
| Rajendra Apratim | Singapore | |
| Rajesh Kakarla | India | |
| Rajgarhia Pradhyun Sanjay | United Kingdom | |
| Rajguru Adi | UK | |
| Raju Kaushik Prasanna | India | |
| Rakesh Anand Mohan | India | |
| Rakthanmanon Thanawin | Thailand | |
| Rallis Themistoklis | Netherlands | |
| Ralph James D |
UK | |
| Ramachandran Rachael | Singapore | |
| Ramachandran Raghu | USA | |
| Ramachandran Raghuraman | UK | |
| Ramachandran Vidhya | India | |
| Ramalingom Selvanayagam | India |