| Dr | Ravi | vats | Q32 bio | United States | Biochemistry, Genetics and Molecular Biology | Cell and Molecular biology, Pharmacology | Best Researcher Award | worldtopscientists.com |
| Dr | Rasool | Sadeghi | Department of electrical engineering, DOL.C. , Islamic Azad University, Isfahan, Iran | Iran | Engineering | Wireless Network Optimization | Research Excellence Award | worldtopscientists.com |
| Dr | Rashid | Gholami | Razi University | Iran | Agricultural and Biological Sciences | post harvest technology | Best Researcher 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 |
| Prof | raoudha | ben Djemaa | university of sousse | Tunisia | Computer Science | informatique | Best Scholar 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 |
| Mr | Rana Muhammad Amir | Latif | The Center for Modern Chinese City Studies, School of Geographical Sciences, East China Normal University, Shanghai 200062, China. | China | Environmental Science | Human Geography/ Phphysical Geography | 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 |
| Prof. Dr | Ramón | García-Marín | University of Murcia | Spain | Social Sciences | Geography | Best Researcher Award | worldtopscientists.com |
| Mr | Rammohan Rao | Makineni | University of wollongong | Australia | Engineering | Electrical Engineering | Best Researcher Award | worldtopscientists.com |
| Prof Dr | Ramin | Yousefi | Islamic Azad University | Iran | Materials Science | Nanostructures | Most Cited Article Award | worldtopscientists.com |
| Dr | Ramiin | Javahershenas | Urmia University | Iran | Chemistry | organic chemistry | Best Researcher Award | |
| Dr | Ramadevi | Subramani Reddy | Texas Tech University Health Sciences Center El Paso | United States | Health Professions | Cancer Biology | Research Excellence Award | worldtopscientists.com |
| Prof Dr | Ramadan | AlShdefat | Jadara University | Jordan | Pharmacology, Toxicology and Pharmaceutical Science | Pharmaceutical Sciences | Best Researcher Award | worldtopscientists.com |
| Dr | Ram | Sagar | Johns Hopkins University | United States | Neuroscience | Genetics, Stem Cell Research | Best Researcher Award | worldtopscientists.com |
| Mr | Rakshit | Jakhar | AGH University of Krakow | Poland | Environmental Science | E-Waste, Human Health, Climate change | Young Scientist Award | worldtopscientists.com |
| Dr | Rakesh | Kumar | Kaushik Orthopaedic Pvt . Ltd. | India | Engineering | Additivemanufacturing | Best Research Article Award | worldtopscientists.com |
| Dr | RAKESH | KUMAR | Kaushik Orthopedic Pvt. Ltd | India | Engineering | Additive manufacturing | Most Cited Article Award | worldtopscientists.com |
| Dr | RAJWINDER | KAUR | CHITKARA UNIVERSITY | India | Pharmacology, Toxicology and Pharmaceutical Science | MEDICINAL CHEMISTRY | Best Researcher Award | worldtopscientists.com |
| Dr | Rajneesh | Singh | IIT Roorkee | India | Environmental Science | Water quality management | Best Researcher Award | worldtopscientists.com |