| Mr | Sina | Afkhami | Ferdowsi University of Mashhad | Iran | Engineering | Aerospace engineering | Young Scientist Award | |
| Dr | SINDHU NACHIAR | S | SRM INSTITUTE OF SCIENCE AND TECHNOLOGY, KATTANKULATHUR | India | Engineering | CIVIL ENGINEERING | Best Researcher Award | |
| Dr | Sindiswa Silindokuhle | Zondo | University of Fort Hare | South Africa | Other | Education leadership and management, teacher education and economics education | Best Researcher Award | View Profile |
| Mr | sintayehu | wolka | Ministry of Health Ethiopia | Ethiopia | Health Professions | Public Health | Best Researcher Award | View Profile |
| Mr | Siphesihle | Khumalo | Durban University of Technology | South Africa | Chemical Engineering | Wastewater Treatment and Environmental Remediation | Best Researcher Award | |
| Mr | Siraj | Bhatkar | Dr. Vishwanath Karad MIT World Peace University | India | Environmental Science | Pollution from Oil and Gas | Best Researcher Award | |
| Mr | Siraj Ud Daula | Shamim | Mawlana Bhashani Science and Technology University | Bangladesh | Physics and Astronomy | Computational Physics | Best Researcher Award | |
| Dr | Sirine | Saidi | Faculty of Sciences of Bizerte, University of Carthage, 7021 Bizerte, Tunisia | Tunisia | Other | Energy physics | Women Researcher Award | |
| Assist Prof Dr | Sirinya | Phulkerd | Institute for Population and Social Research | Thailand | Social Sciences | Food and nutrition policies | Women Researcher Award | |
| Assist Prof Dr | sitanshu | barik | All India Institute of Medical Sciences Deoghar India | India | Medicine and Dentistry | Orthopedics | Best Researcher Award | |
| Dr | SITI AZRAH | MOHAMAD SAMSURI | UNIVERSITI SAINS MALAYSIA | Malaysia | Materials Science | Semiconductor design/perovskite materials | Best Researcher Award | |
| Dr | Sitotaw | Erena | Addis Ababa University | Ethiopia | Environmental Science | Urban Disaster risk | Best Researcher Award | View Profile |
| Dr | Siva | Chidambaram | SRM Institute of Science and Technology | India | Environmental Science | Nano solar energy conversions | Excellence in Innovation | |
| Dr | SIVA CHAKRA AVINASH | BIKKINA | Ramachandra College Of Engineering | India | Engineering | ELECTROMAGENTIC COMPATABILITY AND ELECTROMAGENTIC iNTERFERNCES | Young Researcher Award | View Profile |
| Assoc. Prof. Dr | SIVA REDDY | SHERI | GITAM Deemed to be University | India | Mathematics | Finite Element Method, Heat and Mass transfer | Best Researcher Award | View Profile |
| Dr | Sivasankar | Annamalai | Kyungpook National University | South Korea | Chemical Engineering | Environmental engineering | Best Researcher Award | |
| Mr | Sivasubramanian | Palanisamy | Dilkap Research Institute of Engineering and Management Studies, Neral, Maharashtra | India | Materials Science | Polymer composite materials | Best Researcher Award | |
| Mr | Sk Irsad | Ali | Department of Physics, The University of Burdwan, Golapbag, Burdwan-713104 | India | Materials Science | Nanotechnology | Best Researcher Award | |
| Assist Prof Dr | SK. | ANIRBAN | GOVERNMENT GENERAL DEGREE COLLEGE, SALBONI | India | Materials Science | EXPERIMENTAL CONDENSED MATTER PHYSICS | Best Researcher Award | |
| Dr | Sk. Ahmad | Al Nahid | DeparChattogram Veterinary and Animal Sciences University | Bangladesh | Agricultural and Biological Sciences | Fisheries Resource Management | Best Researcher Award | |