| Dr | Rajanand Patnaik | Narasipuram | Vignan's Foundation for Science, Technology & Research/Eaton India Innovation Center | India | Engineering | Electric Vehicles | Best Researcher Award | View Profile |
| Dr | Rajiv | Dahiya | University of North Carolina at Pembroke | United States | Business, Management and Accounting | Business Analytics | Best Researcher Award | View Profile |
| Prof Dr | Ramkumar | Kalyanaraman | Vel Tech Vel Tech Rangarajan Dr. Sagunthala R&D Institute of Science and Technology | India | Computer Science and Artificial Intelligence | Machine Learning, Deep Learning | Outstanding Scientist Award | View Profile |
| Dr | Ramón | López-Urrea | Spanish National Research Council | Spain | Agricultural and Biological Sciences | Agricultural Water Management | Research Excellence Award | View Profile |
| Dr | Ravikumar | ch | CHAITANYA BHARATHI INSTITUTE OF TECHNOLOGY | India | Engineering | | Best Researcher Award | View Profile |
| Prof | Relwendé | SAWADOGO | IBAM/ Université Joseph KI-ZERBO | Burkina Faso | Economics, Econometrics and Finance | Development Economics | Best Researcher Award | View Profile |
| Assist Prof Dr | Renjith | Seela Bhadran | Amrita Vishwa Vidyapeetham | India | Medicine and Health Sciences | Public Health | Best Academic Researcher Award | View Profile |
| Dr | Rexhep | Tari | Department of Innovative Technologies in Medicine and Dentistry, University of Chieti-Pescara and Department of Biomedical, Surgical and Dental Sciences, University of Milan | Italy | Dentistry | Dental Surgery, Dentistry, Implantology, Clinical Research | Young Researcher Award | View Profile |
| Dr | Reza | Bavarsad Shahripour | University of California, San Diego | United States | Medicine and Health Sciences | Stroke, Neuro imaging, Transcranial Doppler | Research Excellence Award | View Profile |
| Prof | Richard | Beach | University of Minnesota | United States | Others | language and ecology | Best Researcher Award | View Profile |
| Mr | Rishabh | Gaur | Institute of Pharmaceutical Research of GLA University | India | Pharmacology, Toxicology and Pharmaceutical Science | Gastroenterology | Best Researcher Award | View Profile |
| Prof Dr | Robert | Gaudin | Charité Berlin | Germany | Medicine and Health Sciences | Artificial intelligence | Best Researcher Award | View Profile |
| Dr | Robert | Hahn | Fraunhofer IZM | Germany | Renewable Energy Technologies | Energy storage | Outstanding Scientist Award | View Profile |
| Dr | Roberto | Luongo | New York University College of Dentistry | Italy | Dentistry | Implantologia | Innovative Research Award | View Profile |
| Prof | Roman | Jerala | National Institute of Chemistry | Slovenia | Biochemistry, Genetics and Molecular Biology | Synthetic Biology | Best Researcher Award | View Profile |
| Dr | Rong | Zhao | Jiangsu Institute of Metrology（Jiangsu Energy Metrology Data Center） | China | Environmental Science | Laser absorption spectroscopy for combustion diagnostics , industrial trace gas metrology | Innovative Research Award | View Profile |
| Prof | Rui | Fang | Institute of Clinical Pharmacology of Chinese Materia Medica, Hunan Academy of Chinese Medicine | China | Neuroscience | Pathology of cerebral small vessel disease and its mechanism of traditional Chinese medicine intervention | Best Researcher Award | View Profile |
| Prof | Rui | Liu | Huazhong Agriculture University | China | Others | Food Science and Technology | Best Researcher Award | View Profile |
| Assoc Prof Dr | Rui | Lv | Mianyang Teachers' College | China | Chemistry and Materials Science | Nanozyme and its application in food and environment | Best Researcher Award | View Profile |
| Prof | Ruth | Van der Looven | UZ Gent | Belgium | Neuroscience | gezondheidswetenschappen | Research Excellence Award | View Profile |