| Dr | Şifa | KIR | Çukurova University | Turkey | Chemistry | chemistry/ carbon nanomaterials | Best Researcher Award | |
| Dr | Siim | Pauklin | University of Oxford | United Kingdom | Biochemistry, Genetics and Molecular Biology | Cancer Research | Best Researcher Award | |
| Dr | Silvenus | Konyole | Masinde Muliro University of Science and Technology | Kenya | Health Professions | human nutrition | Best Faculty Award | |
| Dr | Silvia | Pavone | Istituto Zooprofilattico Sperimentale dell'Umbria e delle Marche "Togo Rosati" | Italy | Veterinary Science and Veterinary Medicine | Pathology | Best Researcher Award | |
| Prof. Dr | Silvia | Bianchini | University of Firenze | Italy | Environmental Science | Geohazard | Best Researcher Award | |
| Mrs | Simge | Çankaya | Kocaeli University | Turkey | Environmental Science | Environmental engineering, life cycle assessment | Best Researcher Award | |
| Dr | Simo | Maduna | Norwegian Institute of Bioeconomy Research | Norway | Agricultural and Biological Sciences | Molecular Ecology | Young Scientist Award | youngscientistawards.com |
| Dr | Simon | Were Okwachi | MASINDE MULIRO UNIVERSITY OF SCIENCE AND TECHNOLOGY | Kenya | Other | Hospitality Management | Best Researcher Award | youngscientistawards.com |
| Dr | Simone | Giovannuzzi | University of Florence | Italy | Pharmacology, Toxicology and Pharmaceutical Science | Medicinal chemistry | Young Scientist Award | youngscientistawards.com |
| Dr | Simone | D'Angelo | University of Naples Federico II | Italy | Engineering | Aerial robotics | Best Researcher Award | |
| Mr | Simone | Striani | Danish Technical University | Denmark | Engineering | Electric Vehicles Charging Infrastructures | Best Researcher Award | youngscientistawards.com |
| 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 | youngscientistawards.com |
| Mr | sintayehu | wolka | Ministry of Health Ethiopia | Ethiopia | Health Professions | Public Health | Best Researcher Award | youngscientistawards.com |
| 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 | |