| Dr | Md Shaheen | Sarkar | Technological University of the Shannon | Ireland | Chemistry | Catalysis | Excellence in Research | |
| Mr | Pranay | Sarkar | Indian Institute of Technology Kharagpur | India | Engineering | Agricultural Engineering | Young Scientist Award | |
| Mr | Mainak | Sarkar | University of California, San Diego | United States | Engineering | Machine Learning and Data Science | Best Researcher Award | |
| Mr | Bambang | Sardi | Departement of Environmental Engineering, Tadulako University | Indonesia | Chemical Engineering | Bioenergy, biofuel, biomass | Best Researcher Award | |
| Prof | Meryam | Sardar | Jamia Millia Islamia, New Delhi | India | Biochemistry, Genetics and Molecular Biology | Bionanotecchnology | Best Researcher Award | |
| Dr | Divya | Sardana | Indian Institute of Technology Roorkee, Uttarakhand, India | India | Earth and Planetary Sciences | Atmospheric Sciences | Women Researcher Award | youngscientistawards.com |
| 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 | |
| Dr | Marco | Saraiva | University of Lisbon | Portugal | Chemistry | amyloids | Best Researcher Award | |
| Dr | Janak | Sapkota | UPM | Finland | Materials Science | Sustainable Materials / Biomaterials | Best Innovation Award | youngscientistawards.com |
| Dr | Chaweewan | Sapcharoenkun | National Nanotechnology Center, NSTDA | Thailand | Chemistry | Nanotechnology | Best Researcher Award | |
| Mr | Yerassyl | Saparbekov | Nazarbayev University | Kazakhstan | Computer Science | Machine Learning | Research Excellence Award | youngscientistawards.com |
| Ms | Ishini Nimasha | Saparamadu | University of Moratuwa | Sri Lanka | Engineering | Civil Engineering | YouthInnovate Award | youngscientistawards.com |
| Dr | Sudarshan | Santra | Indian Institute of Science | India | Mathematics | Numerical Analysis | Best Researcher Award | youngscientistawards.com |
| 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 | |
| Mr | William | Santacruz | University of São Paulo | Brazil | Environmental Science | Environmental electrochemistry | Best Researcher Award | |
| Dr | Palash | Sanphui | SRM Institute of Science and Technology | India | Chemistry | Crystal Engineering and Supramolecular Chemistry | Best Researcher Award | |
| Dr | S A Siva | Sankari | Vignan's foundation for science, technology and research | India | Engineering | VLSI domain | Women Researcher Award | youngscientistawards.com |
| Dr | Kamatchi | Sankaranarayanan | IASST Guwahati | India | Physics and Astronomy | Biophysis | Women Researcher Award | youngscientistawards.com |