| Prof Dr | Ricardo | Siqueira da Silva | UFVJM | Brazil | Agricultural and Biological Sciences | Defesa Sanitaria Vegetal/Modelagem | Best Researcher Award | |
| Prof Dr | Ricardo | Siqueira da Silva | UFVJM | Brazil | Agricultural and Biological Sciences | Defesa Sanitaria Vegetal/Modelagem | Best Researcher Award | |
| Mr | Sohel | Siraj | BITS Pilani Hyderabad Campus | India | Engineering | Electrical and Electronics Engineering | Young Scientist Award | View Profile |
| Prof Dr | Nalini | Sirala Jagadeesh | Sri Ramachandra Faculty of Nursing, SRIHER | India | Nursing and Health Professions | Obstetrics and Gynaecology Nursing | Best Researcher Award | |
| Dr | Sri Ramya | Siraparapu | Sasi Institute of Technology and Engineering | India | Engineering | Industrial Internet of Things | Young Researcher Award | View Profile |
| Prof Dr | AMALESH | SIRKAR | Haldia Institute of Technology | India | Chemical Engineering | Heat and Mass Transfer | Best Researcher Award | |
| Prof Dr | Mohammad | Sirousazar | Urmia University of Technology | Iran | Chemical Engineering | Polymer and Biomedical Engineering | Best Researcher Award | View Profile |
| Assoc Prof Dr | NADAVALA | SIVA KUMAR | KING SAUD UNIVERSITY | Saudi Arabia | Chemistry | Material science | Best Researcher Award | |
| Dr | K.JANANI | SIVASANKAR | SRMIST | India | Materials Science | COMPUTATIONAL NANOMEDICINE | Best Researcher Award | |
| Dr | Sonia | Siwatch | DST New Delhi | India | Materials Science | Nanomaterials | Women Researcher Award | View Profile |
| Ms | sofia | Skroufouta | National Technical University of Athens | Greece | Energy | pumped hydropower storage (PHPS) system | Young Scientist Award | View Profile |
| Ms | Gulnur | Smagulova | Astana IT University | Kazakhstan | Other | Technological Entrepreneurship | Best Researcher Award | View Profile |
| Dr | Portia | Smallbone | MD Anderson Cancer Center | United States | Medicine and Dentistry | Stem Cell Transplantation | Young Scientist Award | View Profile |
| Mr | Randall | Smith | University of Cape Town | South Africa | Chemistry | Nanotechnology | Best Researcher Award | |
| Dr | Lucy | Smith | Materials Processing Institute | United Kingdom | Dentistry | Life Cycle Assessment | Best Researcher Award | |
| Assoc. Prof. Dr | Wirasak | Smitthipong | Kasetsart University | Thailand | Materials Science | Polymer | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Thouraya | Snoussi | University of Sharjah | United Arab Emirates | Social Sciences | Mass Communication | Best Researcher Award | View Profile |
| Prof | Graça | Soares | Universidade de Trás-os-Montes e Alto Douro | Portugal | Mathematics | Algebra Linear/Teoria das Matrizes | Women Researcher Award | |
| Ms | Saeideh | Sobhaninia | Clemson Univeristy | United States | Arts and Humanities | Community resilience to environmental hazards | Young Scientist Award | |
| Prof Dr | Young Kwan | Sohn | Gyeongsang National University | South Korea | Earth and Planetary Sciences | Volcanology, sedimentology | Best Researcher Award | |