| Prof | Robert | Clarke | University of Oxford | United Kingdom | Medicine and Dentistry | Epidemiology and Population Health | Best Researcher Award | worldtopscientists.com |
| Ms | Ritu | Tanwar | NIT Uttarakhand | India | Engineering | Artificial intelligence | Best Researcher Award | worldtopscientists.com |
| Prof | risto | kosonen | Aalto University | Finland | Engineering | HVAC and ventilatio | Best Researcher Award | worldtopscientists.com |
| Dr | Rishabh | Anand | Google | India | Computer Science | Emerging Technologies | Best Researcher Award | worldtopscientists.com |
| Assoc. Prof. Dr | Rima | Isaifan | Cambridge C University | Qatar | Environmental Science | Air pollution and human health | Women Researcher Award | worldtopscientists.com |
| Mrs | Rim | Temani | Office National des Mines | Tunisia | Earth and Planetary Sciences | biostratigraphie et micropaleontologie | Women Researcher Award | |
| Dr | Rim | Bourgi | Strasbourg university | France | Dentistry | Esthetic and Prosthetic Dentistry | Best Researcher Award | worldtopscientists.com |
| Mr | Riley | Derby | The University of Texas at Austin | United States | Other | Primatology | Best Researcher Award | worldtopscientists.com |
| Dr | Richard | Arias-Hernandez | The University of British Columbia | Canada | Social Sciences | Archival Science | Best Researcher Award | worldtopscientists.com |
| Prof Dr | Ricardo | Silva | Physics/UFTM | Brazil | Materials Science | Condensed Matter Physics | Best Researcher Award | |
| Dr | Ricardo | Vasquez Padilla | Fortescue Zero | Australia | Energy | Renewable energy, CSP | Best Research Award | worldtopscientists.com |
| Dr | Riaz | Ahmad | Qilu Institute of Technology | China | Social Sciences | Social Sciences | Best Scholar Award | worldtopscientists.com |
| Dr | Reza | Fotohi | SBU | Iran | Computer Science | Security and Privacy | Best Researcher Award | worldtopscientists.com |
| Dr | reyhaneh | nassiri mansour | immunogenetic institue | Iran | Medicine and Dentistry | regenerative medicine | Women Researcher Award | worldtopscientists.com |
| Dr | Rengasamy | Parthasarathi | Department of Soil Science and Agricultural Chemistry, Anbil Dharmalingam Agricultural College and Research Institute (ADAC&RI), Trichy. | India | Agricultural and Biological Sciences | Bio surfactant, Biodegradation of LDPE | Best Researcher Award | worldtopscientists.com |
| Dr | Renee | Reynolds | University at Buffalo | United States | Neuroscience | Residency Training | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | RENATO | AMBROSIO, JR | UNIRIO | Brazil | Medicine and Dentistry | Ophthalmology / Refractive Surgery | Best Researcher Award | worldtopscientists.com |
| Mr | Regent Retrospect | Musekwa | Botswana International University of Science and Technology | Botswana | Mathematics | Statistics | Best Researcher Award | worldtopscientists.com |
| Ms | razieh | davashi | Islamic Azad University, of Najafabad | Iran | Computer Science | Data mining | Best Researcher Award | worldtopscientists.com |
| Dr | Rayees | Ahmed | University of Kashmir | India | Earth and Planetary Sciences | Geography | Best Researcher Award | worldtopscientists.com |