| Dr | Maryam | Rahimi Jahangirlou | Aarhus University | Iran | Agricultural and Biological Sciences | Crop Science, Grain yield, Grain quality | Women Researcher Award | |
| Prof Dr | Mohammad Jellur | Rahman | Department of Physics, Bangladesh University of Engineering and Technology | Bangladesh | Physics and Astronomy | Materials Science | Best Researcher Award | worldtopscientists.com |
| Dr | Md Masudur | Rahman | Pabna University of Science and Technology | Bangladesh | Earth and Planetary Sciences | Atmospheric Pollution | Best Researcher Award | worldtopscientists.com |
| Prof | Dr MD ATAUR | RAHMAN | GameAbove College of Engineering & Technology Eastern Michigan University, Michigan, USA 48197 Phone: +1(734) 487 0354 | United States | Engineering | Mechanical Enginnering | Excellence in Research Award | worldtopscientists.com |
| Dr | Mahmood | Rahmani Firozjaei | university of Tehran | Iran | Engineering | Hydraulic and Marine | Best Researcher Award | worldtopscientists.com |
| Mr | Shubham | Rai | Institute of engineering and technology, Lucknow | India | Environmental Science | Civil & Environmental Engineering with Machine Learning Applications in Sustainable Construction | Research Excellence Award | worldtopscientists.com |
| Prof. Dr | B V | Rajendra | Manipal Institute of Technology | India | Physics and Astronomy | Solid state physics | Best Researcher Award | worldtopscientists.com |
| Dr | C R | RAJESH | CSI INSTITUTE OF TECHNOLOGY | India | Engineering | Electrical and Electronics Engineering | 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 |
| Dr | Sundar | Ramalingam | College of Dentistry and Dental University Hospital, King Saud University Medical City | Saudi Arabia | Dentistry | Oral and Maxillofacial Surgery | Best Researcher Award | worldtopscientists.com |
| Prof | Ariel | Ramirez | Universidad Nacional Autónoma de México | Mexico | Immunology and Microbiology | Nanomaterials in antitumor immunotherapy | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Nora | Ramos Vallecillo | Universidad de Zaragoza | Spain | Arts and Humanities | Art Expression Didactics | Research Excellence Award | worldtopscientists.com |
| Ms | Pritam | Rani | Bennett University | India | Computer Science | Blockchain | Best Researcher Award | worldtopscientists.com |
| Dr | Bhavna | Rani | Uppsala university, Sweden | Sweden | Biochemistry, Genetics and Molecular Biology | Stem cell biology | Best Researcher Award | worldtopscientists.com |
| Prof | Shalli | Rani | Chitkara University, Punjab | India | Computer Science | WSN, IoT, ML | Best Researcher Award | worldtopscientists.com |
| Dr | Carlos Alberto | Raposo da Cunha | Federal University of Bahia/Institute of Mathematics | Brazil | Mathematics | Partial Differential Equations and Applications | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Zbigniew | Ras | University of North Carolina at Charlotte | United States | Computer Science | Recommender Systems | Best Researcher Award | worldtopscientists.com |
| Dr | Adamu | Rasheed | Bayero University Kano | Nigeria | Chemical Engineering | Waste Valorization | Research Excellence Award | worldtopscientists.com |
| Dr | Emanuele | Raso | University of Rome Tor Vergata | Italy | Other | Medical Devices | Best Researcher Award | worldtopscientists.com |