| Prof | Roberto | Sabatini | Khalifa University of Science and Technology | United Arab Emirates | Engineering | Aerospace Engineering | Most Reader's Article Award | |
| Dr | Poorna Chandrika | Sabapathy | Aarupadai Veedu Medical College and hospital | India | Materials Science | Biotechnology | Best Researcher Award | View Profile |
| Prof | Rania | Saadeh | Zarqa University | Jordan | Mathematics | Physics and Engineering | Best Researcher Award | View Profile |
| Prof | Shahab | S. Band | NTNU | Norway | Computer Science | AI | Best Researcher Award | |
| Dr | Vijaya Lakshmi | S | Lady Doak College, Madurai, Tamil Nadu | India | Physics and Astronomy | Computational and Theoretical Physics | Best Researcher Award | |
| Dr | Seungho | Ryu | Sungkyunkwan University | South Korea | Medicine and Dentistry | Nephrology | Best Researcher Award | |
| Dr | Mihaela | Rusu | Institute of Medical Engineering | Germany | Materials Science | Biomaterials Chemistry and Tissue Engineering | Best Researcher Award | View Profile |
| Assoc Prof Dr | Giovanni | Ruggieri | Università degli Studi di Palermo | Italy | Economics, Econometrics and Finance | Economia del turismo | Most Reader's Article Award | |
| Assist. Prof. Dr | Sudip | Roy | Indian Institute of Technology Roorkee, India | India | Computer Science | Eletronic Design Automation | Best Paper Award | |
| Dr | Thomais | Rousoulioti | Aristotle University of Thessaloniki | Greece | Social Sciences | Didactics | Best Research Article Award | View Profile |
| Dr | Geoffrey | Rothwell | Stanford University | United States | Economics, Econometrics and Finance | nuclear power economics | Research Excellence Award | View Profile |
| Prof | Ewa | Roszkowska | Białystok University of Technology | Poland | Decision Sciences | Computer Science, Economy, Social Sciences | Best Review Article Award | View Profile |
| Mr | Amin | Roshanizarmehri | university of genova | Italy | Decision Sciences | Operations Research, Multi-Objective Optimization, and Transportation Logistics | Best Researcher Award | View Profile |
| Dr | Brenda Maria | Rosales | The University of Sydney | Australia | Medicine and Dentistry | Dialysis; hemodialysis (HD) and peritoneal dialysis (PD); Epidemiology; Nephrology | Most Tweeted Article Award | |
| Prof | Daniel | Roque Gomes | Polytechnic Institute of Coimbra - Instituto Politécnico de Coimbra / ICNOVA - Instituto de Comunicação da NOVA | Portugal | Business, Management and Accounting | Gestão de Recursos Humanos | Best Researcher Award | View Profile |
| Mr | Renan | Roque | UNESP | Brazil | Biochemistry, Genetics and Molecular Biology | Manufacturing processes / Additive manufacturing | Best Paper Award | |
| Mr | Mostafa | Roozbahan | İzmir Institute of Technology | Turkey | Engineering | Civil Engineering | Best Researcher Award | |
| Prof | András | Roósz | Miskolc University | Hungary | Materials Science | Physical metallurgy | Best Researcher Award | View Profile |
| Dr | Oscar Alberto | Rojas Castillo | University of Copenhagen | Denmark | Environmental Science | Freshwater biology | Most Reader's Article Award | View Profile |
| Dr | Cristian | Rojas | Universidad del Azuay | Ecuador | Chemistry | Chemometrics and QSAR | Best Researcher Award | |