| Dr | Rodolfo | Dondo | CONICET | Argentina | Engineering | YOUNG SCIENTIST 2022 | Best Researcher Award | |
| Prof | Rodrigo | Pereira | University of São Paulo | Brazil | Agricultural and Biological Sciences | Ecology/Insect-plant interections | Best Researcher Award | |
| Dr | Roger | Gonzalez-Herrera | Autonomous University of Yucatan | Mexico | Environmental Science | Contaminant Hydrogeology. | Best Researcher Award | |
| Dr | Rogers | Andrew | Institute of Rural Development Planning | Tanzania | Economics, Econometrics and Finance | Agricultural Economics | Best Researcher Award | |
| Assoc Prof Dr | Roghayeh | Ghasempour | University of Tehran | Iran | Energy | Renewable Energy/ Solar Energy | Women Researcher Award | |
| Assist Prof Dr | roghayeh | heiran | Estahban higher education center | Iran | Chemistry | Organic Chemistry/Medicinal Chemistry | Women Researcher Award | |
| Dr | Rohan | Kumar | Uppsala University | Sweden | Earth and Planetary Sciences | Climate Science | Best Researcher Award | View Profile |
| Dr | Rohini | Kale | Medicaps University Indore | India | Engineering | Geotechnical Engineering | Best Research Award | View Profile |
| Mr | Rohit | Kushwaha | IIT (BHU) Varanasi | India | Engineering | Civil Engineering | Young Scientist Award | |
| Assist Prof Dr | Rohit | Srivastava | Pandit Deendayal Energy University, India | India | Energy | Green Hydrogen | Best Researcher Award | |
| Assist Prof Dr | ROHIT | SRIVASTAVA | Pandit Deendayal Energy University, India | India | Chemistry | Green Hydrogen | Best Researcher Award | |
| Mr | ROHIT | PENKI | CHAITANYA ENGINEERING COLLEGE, VISHAKAPATNAM | India | Engineering | RF & MICROWAVE ENGINEERING | Best Researcher Award | View Profile |
| Dr | Roja | Kaveh Garna | Virginia Tech | United States | Engineering | Water resources engineering | Best Researcher Award | |
| Dr | Romain | Rieger | Ecole Centrale de Lyon/ICE UPSP 2021. A104 VetAgro Sup | France | Engineering | Bioengineering | Best Researcher Award | |
| Dr | Romain | Steiner | University of Lausanne | Switzerland | Other | Forensic Science | Best Researcher Award | |
| Dr | Romano | Lottering | University of KwaZulu-Natal | South Africa | Environmental Science | Remote Sensing | Best Researcher Award | |
| Dr | Romit | Seth | North Carolina State University | United States | Agricultural and Biological Sciences | Plant Molecular Genetics and Genomics | Best Researcher Award | |
| Dr | RONALD | MUSAMALI | THE TECHNICAL UNIVERSITY OF KENYA | Kenya | Chemical Engineering | CATALYSIS AND PETROCHEMICALS | Best Researcher Award | |
| Prof | Rondinele | Ferreira | Federal University of Uberlândia | Brazil | Chemical Engineering | Chemistry | Best Researcher Award | |
| Ms | Rong | Song | Nanjing University | China | Environmental Science | Air Pollution and Climate Change | Best Researcher Award | |