| Dr | Reda | Mohamed | Biomedical Engineering / Helwan university | Egypt | Engineering | Biomedical | Best Researcher Award | |
| Mr | REDA SAMY | ZAZOUN | Sonatrach | Algeria | Earth and Planetary Sciences | Geology | Best Researcher Award | |
| Dr | Reeja | S R | VIT-AP University | India | Computer Science | Image Processing | Women Researcher Award | |
| Prof | Reem | Arafa | Zewail City of Science and Technology | Egypt | Pharmacology, Toxicology and Pharmaceutical Science | Drug Design and Discovery, Medicinal Chemistry | Women Researcher Award | |
| Dr | REENA | SHARMA | USDA-Affiliated BioDiscovery Institute, UNT, Denton, TX | United States | Agricultural and Biological Sciences | Plant Biotechnology | Young Scientist Award | View Profile |
| Dr | Regan | Deonanan | The University of the West Indies | Trinidad and Tobago | Economics, Econometrics and Finance | Development Economics, Applied Economics | Best Researcher Award | |
| Dr | Regia | Pereira Silva | National Institute for Space Research - INPE | Brazil | Earth and Planetary Sciences | Aeronomy/Ionosphere/Electrodynamics | Best Researcher Award | |
| Ms | Regina | Irunde | KTH | Sweden | Environmental Science | Water treatment using local materials to remove arsenic | Women Researcher Award | |
| Ms | Rehab | Hamed | Beni-Suef university | Egypt | Agricultural and Biological Sciences | Cell biology | Best Researcher Award | |
| Mr | Rehan | Abid | International Islamic University Islamabad | Pakistan | Materials Science | Affordable and Clean Energy/Material Science/Sensors (Devices) | Best Researcher Award | |
| Ms | REJOICE NTIRIWAA | OSSEI-BREMANG | Kwame Nkrumah University of Science and Technology | Ghana | Environmental Science | Waste management (Waste-to-Energy) | Young Scientist Award | |
| Dr | Rekha | Koshy | Bishop Moore Colllege, Mavelikara | India | Chemistry | Bionanocompostes | Best Researcher Award | |
| Mrs | Renata | de Souza | The University of the State of Rio de Janeiro | Brazil | Biochemistry, Genetics and Molecular Biology | Type 2 Diabetes and obesity | Women Researcher Award | |
| Assoc Prof Dr | Renato | Tomaš | Faculty of Chemistry and Technology, University of Split | Croatia | Chemistry | thermodynamics | Excellence in Research | |
| Ms | RENU | MISHRA | BANARAS HINDU UNIVERSITY | India | Chemistry | MATERIAL SCIENCE | Women Researcher Award | View Profile |
| Prof Dr | Renuka | Sharma | Chitkara Business School, Chitkara University, Punjab, India | India | Economics, Econometrics and Finance | Finance | Best Researcher Award | |
| Prof | Renwu | Zhou | Xi'an Jiaotong University | China | Engineering | Plasma Engineering | Best Researcher Award | View Profile |
| Prof | Renxin | Xiao | Kunming University of Science and Technology | China | Engineering | New energy vehicle | Best Researcher Award | |
| Dr | Resham | Thapa | University of Wyoming | United States | Agricultural and Biological Sciences | Soil Science & Agronomy | Best Researcher Award | View Profile |
| Ms | Reshma | R | Department of Mathematics, Amrita School Of Physical Sciences, Amrita Vishwa Vidyapeetham, Coimbatore. | India | Mathematics | A Study on Stability and Stabilization Results of Fractional-Order Nonlinear Dynamical Systems and Their Applications in Image Communication | Best Scholar Award | View Profile |