| Dr | Kavitha | Sanjeev | SRM DENTAL COLLEGE | India | Dentistry | Conservative Dentistry and Endodontics | Best Researcher Award | |
| Ms | Chandrakala Devi | Sanjenbam | Indian Institute of Technology Delhi | India | Engineering | Electrical Engineering | Best Researcher Award | |
| Mr | SUBI | SANKAR | CMLRE | India | Earth and Planetary Sciences | Marine Science | Young Scientist Award | |
| Dr | Subbiah | Sankaralingam | Saraswathi Narayanan college | India | Agricultural and Biological Sciences | Microbial technology | Best Faculty Award | |
| Dr | Krishnaswamy | Sankaran | Radical Innovations Group AB | Finland | Energy | Energy Transition; Decarbonisation; Circular Economy | Best Researcher Award | |
| Dr | Kamatchi | Sankaranarayanan | IASST Guwahati | India | Physics and Astronomy | Biophysis | Women Researcher Award | View Profile |
| Dr | S A Siva | Sankari | Vignan's foundation for science, technology and research | India | Engineering | VLSI domain | Women Researcher Award | View Profile |
| Dr | Palash | Sanphui | SRM Institute of Science and Technology | India | Chemistry | Crystal Engineering and Supramolecular Chemistry | Best Researcher Award | |
| Mr | William | Santacruz | University of São Paulo | Brazil | Environmental Science | Environmental electrochemistry | Best Researcher Award | |
| Dr | Maria de Fátima Costa | Santos | UFPR | Brazil | Chemistry | Nuclear Magnetica Resonance/Organic Chemistry | Women Researcher Award | |
| Dr | Antonio Jesús | Santos | University of Cadiz | Spain | Materials Science | Materials Science and Metallurgic Engineering | Best Researcher Award | |
| Prof | Gil | Santos | Universidade Federal do Tocantins | Brazil | Agricultural and Biological Sciences | Fitopatologia | Excellence in Research | |
| Dr | Sudarshan | Santra | Indian Institute of Science | India | Mathematics | Numerical Analysis | Best Researcher Award | View Profile |
| Dr | Arun Kumar | Sao | NMDC DAV Polytechnic Dantewada, Chhattisgarh | India | Engineering | Mechanical Engineering | Young Scientist Award | View Profile |
| Ms | Ishini Nimasha | Saparamadu | University of Moratuwa | Sri Lanka | Engineering | Civil Engineering | YouthInnovate Award | View Profile |
| Mr | Yerassyl | Saparbekov | Nazarbayev University | Kazakhstan | Computer Science | Machine Learning | Research Excellence Award | View Profile |
| Dr | Chaweewan | Sapcharoenkun | National Nanotechnology Center, NSTDA | Thailand | Chemistry | Nanotechnology | Best Researcher Award | |
| Dr | Janak | Sapkota | UPM | Finland | Materials Science | Sustainable Materials / Biomaterials | Best Innovation Award | View Profile |
| Dr | Marco | Saraiva | University of Lisbon | Portugal | Chemistry | amyloids | Best Researcher Award | |
| Dr | Apoorv | Saraswat | R.B. College, Dalsingsarai, Samastipur-848114, Bihar, India A Constituent College of Lalit Narayan Mithila University Darbhanga | India | Chemistry | Electrochemistry | Best Researcher Award | |