| Prof Dr | Ramin | Yousefi | Islamic Azad University | Iran | Materials Science | Nanostructures | Most Cited Article Award | worldtopscientists.com |
| Mr | Rammohan Rao | Makineni | University of wollongong | Australia | Engineering | Electrical Engineering | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Ramón | García-Marín | University of Murcia | Spain | Social Sciences | Geography | Best Researcher Award | worldtopscientists.com |
| Dr | Ram | Sagar | Johns Hopkins University | United States | Neuroscience | Genetics, Stem Cell Research | Best Researcher Award | worldtopscientists.com |
| Dr | Rana | Ramadan Fahmy Neiber | Institue of Process Engineering, Chinese Academy of Sciences | China | Environmental Science | Chemical Engineering | Research Excellence Award | worldtopscientists.com |
| Mr | Ranjith Kumar | Ramakrishnan | N2 Services, Inc. | United States | Computer Science | Continuum of Computing, Edge Computing, Cloud Computing, Distributed Systems, Programming Languages, software co- design, Genetic algorithm, Machine Learning, Web Applications, CyberSecurity, Artificial Intelligence | Best Researcher Award | worldtopscientists.com |
| Prof | raoudha | ben Djemaa | university of sousse | Tunisia | Computer Science | informatique | Best Scholar Award | worldtopscientists.com |
| Prof | Raquel | Conceicao | Institute of Biomedical Engineering and Biophysics, Faculty of Sciences, University of Lisbon (Instituto de Biofísica e Engenharia Biomédica, Faculdade de Ciências, Universidade de Lisboa) | Portugal | Engineering | Biomedical Engineering | Best Researcher Award | worldtopscientists.com |
| Dr | Rashid | Gholami | Razi University | Iran | Agricultural and Biological Sciences | post harvest technology | Best Researcher Award | worldtopscientists.com |
| Dr | Ravi | vats | Q32 bio | United States | Biochemistry, Genetics and Molecular Biology | Cell and Molecular biology, Pharmacology | Best Researcher Award | worldtopscientists.com |
| Dr | Rayees | Ahmed | University of Kashmir | India | Earth and Planetary Sciences | Geography | Best Researcher Award | worldtopscientists.com |
| Ms | razieh | davashi | Islamic Azad University, of Najafabad | Iran | Computer Science | Data mining | Best Researcher Award | worldtopscientists.com |
| Dr | Yizhou | Zhou | Hohai university | China | Energy | Integrated energy system | Best Researcher Award | worldtopscientists.com |
| Mr | Regent Retrospect | Musekwa | Botswana International University of Science and Technology | Botswana | Mathematics | Statistics | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | RENATO | AMBROSIO, JR | UNIRIO | Brazil | Medicine and Dentistry | Ophthalmology / Refractive Surgery | Best Researcher Award | worldtopscientists.com |
| Dr | Renee | Reynolds | University at Buffalo | United States | Neuroscience | Residency Training | Best 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 | reyhaneh | nassiri mansour | immunogenetic institue | Iran | Medicine and Dentistry | regenerative medicine | Women Researcher Award | worldtopscientists.com |
| Dr | Reza | Fotohi | SBU | Iran | Computer Science | Security and Privacy | Best Researcher Award | worldtopscientists.com |
| Dr | Riaz | Ahmad | Qilu Institute of Technology | China | Social Sciences | Social Sciences | Best Scholar Award | worldtopscientists.com |