| 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 | |
| Dr | Rekha | Koshy | Bishop Moore Colllege, Mavelikara | India | Chemistry | Bionanocompostes | 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 | |
| Mr | Rehan | Abid | International Islamic University Islamabad | Pakistan | Materials Science | Affordable and Clean Energy/Material Science/Sensors (Devices) | Best Researcher Award | |
| Ms | Rehab | Hamed | Beni-Suef university | Egypt | Agricultural and Biological Sciences | Cell biology | Best Researcher Award | |
| Ms | Regina | Irunde | KTH | Sweden | Environmental Science | Water treatment using local materials to remove arsenic | Women Researcher Award | |
| Dr | Regia | Pereira Silva | National Institute for Space Research - INPE | Brazil | Earth and Planetary Sciences | Aeronomy/Ionosphere/Electrodynamics | Best Researcher Award | |
| Dr | Regan | Deonanan | The University of the West Indies | Trinidad and Tobago | Economics, Econometrics and Finance | Development Economics, Applied Economics | Best 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 |
| 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 | Reeja | S R | VIT-AP University | India | Computer Science | Image Processing | Women Researcher Award | |
| Mr | REDA SAMY | ZAZOUN | Sonatrach | Algeria | Earth and Planetary Sciences | Geology | Best Researcher Award | |
| Dr | Reda | Mohamed | Biomedical Engineering / Helwan university | Egypt | Engineering | Biomedical | Best Researcher Award | |
| Dr | Razieh | Sheikhpour | Ardakan unoversity | Iran | Computer Science | Machine learning | Best Researcher Award | |
| Dr | Rayk | Fritzsche | Fraunhofer IWU | Germany | Engineering | Adaptable assembly systems | Best Scholar Award | View Profile |
| Mr | RAYES AHMAD | LONE | IUST Awantipora | India | Engineering | Electrical Engineering, Renewables | Best Researcher Award | View Profile |
| Dr | RAYA | BHATTACHARJYA | NA | India | Agricultural and Biological Sciences | ALGAL BIOTECHNOLOGY | Young Researcher Award | View Profile |
| Dr | Ray | Lee | Massachusetts Institute of Technology | United States | Neuroscience | Behavioral neuroscience; Systems neurosciences; Social neuroscience; Cognitive neuroscience | Best Researcher Award | |
| Dr | Rawia | Ahmed | Zayed University | United Arab Emirates | Business, Management and Accounting | Human Resource Management | Best Researcher Award | |
| Dr | Ravindran | Chinnarajan | CSIR-National Institute of Oceanography | India | Immunology and Microbiology | Microbiology | Best Researcher Award | |