| Dr | KARTHIKEYAN | S | SRM INSTITUTE OF SCIENCE AND TECHNOLOGY | India | Engineering | THERMAL ENGINEERING | Best Paper Award | |
| Dr | CHANDRA SEKHAR | S | N.B.K.R Institute of Science & Technology | India | Engineering | Mechanical Engineering | Best Paper Award | |
| Mr | Naveen Venkatesh | S | VIT University Chennai | India | Engineering | Fault Diagnosis/Renewable Energy/Solar PV | Most Reader's Article Award | |
| Prof | Ramin | Rzayev | Institute of Control Systems | Azerbaijan | Decision Sciences | Applied Mathematics | Best Researcher Award | |
| Assist. Prof. Dr | Minseok | Ryu | Arizona State University | United States | Energy | Power Systems Computation | Best Researcher Award | bestpaperawards.com |
| Prof | Slawomir | Rybicki | Nicolaus Copernicus University in Torun | Poland | Mathematics | Mathematical Analysis/ Differential Equations | Best Researcher Award | bestpaperawards.com |
| Prof Dr | Sergey | Ryabukhin | Enamine LLC | Ukraine | Chemistry | Organic Chemistry | Best Researcher Award | |
| Dr | Eduardo | Russo | Federal University of Rio de Janeiro | Brazil | Business, Management and Accounting | Sustainability | Best Researcher Award | |
| Mr | Christian | Ruhupatty | Universitas Indonesia | Indonesia | Arts and Humanities | Philosophy of Technology | Best Researcher Award | bestpaperawards.com |
| Dr | Elkana | Rugut | University of Venda | South Africa | Materials Science | computational physics | Best Paper Award | |
| Dr | Elkana | Rugut | University of Venda | South Africa | Materials Science | Computational aspect of material science | Best Researcher Award | |
| Dr | Valentina | rubio | Cornell | Uruguay | Agricultural and Biological Sciences | soil sustainable crop production | Most Reader's Article Award | bestpaperawards.com |
| Prof Dr | Mirza | Rubel | University of Rajshahi | Bangladesh | Materials Science | Materials Science and Engineering | Best Paper Award | |
| Dr | Tamás | Rózsenberszki | University of Pannonia | Hungary | Chemical Engineering | membrane separation, fermentation, biotechnology, separation development, sustainability | Best Researcher Award | |
| Mr | Philippe | Rozin | IAE Lile | France | Economics, Econometrics and Finance | Finance | Best Researcher Award | |
| Dr | Subhasis | Roy | University of Calcutta | India | Chemical Engineering | Nanotechnology | Best Paper Award | |
| Dr | Pramod | Rout | Indian Council of Agricultural Research | India | Agricultural and Biological Sciences | Animal Genetics and Breeding | Best Researcher Award | |
| Dr | Raheleh | Roudi | University of Stanford | United States | Immunology and Microbiology | Immuno-oncology | Best Researcher Award | bestpaperawards.com |
| Assoc. Prof. Dr | Naghi | Rostami | University of Tabriz | Iran | Engineering | Electrical Engineering | Best Researcher Award | bestpaperawards.com |
| Assoc Prof Dr | Filippo | Rossi | Politecnico di Milano | Italy | Chemical Engineering | polymer science | Best Researcher Award | |