| Assoc. Prof. Dr | Sicong | Zhu | Wuhan University of Science and Technology | China | Condensed Matter Physics | Spintronics | Best Researcher Award | View Profile |
| Dr | Sidney | Hanser | University of Limpopo | South Africa | Others | Cardiovascular Research | Best Researcher Award | View Profile |
| Dr | Sikder Sunbeam | Islam | International Islamic University CTG | Bangladesh | Optical Physics | Metamaterial Absorber | Optical Physics Excellence Award | View Profile |
| Prof | Singh | Shiv Govind | IIT Hyderabad | India | Others | Enviormental | Best Researcher Award | View Profile |
| Dr | Sitender | Kashyap | Institute of Physics of the Czech Academy of Sciences, Prague | Czech Republic | Quantum Field Theory | String Theory | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | SIVA PRASAD | MOONI | Department of Chemistry, Marri Laxman Reddy Institute of Technology and Management, Hyderabad 500043, Telangana, India | India | Particle Physics | NANOPARTICALS AND NANOTECHNOLOGY | Best Researcher Award | View Profile |
| Dr | Siva Surya | Mulugundam | GITAM University, Hyderabad | India | Experimental Physics | Composite materials | | View Profile |
| Assoc. Prof. Dr | Sivaranjani | T | Sri Manakula Vinayagar Engineering College | India | Atomic and Molecular Spectroscopy | Molecular Spectroscopy | Best Researcher Award | View Profile |
| Dr | Sk | Riyajuddin | Indian Institute of Technology (ISM) Dhanbad India | India | Condensed Matter Physics | Nanotechnology and Material Physics | Young Scientist Award | View Profile |
| Prof | Sławomir | Obidziński | Politechnika Białostocka | Poland | Choose | Zagospodarowanie odpadów | Best Innovation Award | View Profile |
| Dr | Slimane | KERROUCHI | National Higher School of advanced Technologies | Algeria | Quantum Mechanics | Nuclear structure | Best Researcher Award | View Profile |
| Dr | Snehal | Kadam | Seoul National University of Science and Technology | South Korea | Atomic Physics | Material Science | Best Researcher Award | View Profile |
| Prof | Solomon | Ivan | Indian Institute of Space Science and Technology | India | Optical Physics | Classical optics | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Somayeh | Nemati | University of Mazandaran | Iran | Mathematical Physics | Numerical Analysis | Best Researcher Award | View Profile |
| Assist. Prof. Dr | M. | Soraya | Aswan University | Egypt | Solid-State Physics | Material Science and Material Engineering | Best Researcher Award | View Profile |
| Ms | Souaïbou Hawaou | Kaya | Ecole Nationale Supérieure des Sciences Agro-Industrielles (ENSAI) de l'Université de Ngaoundéré (UN) | Cameroon | Others | Workflow scheduling on distributed computing environment | | View Profile |
| Dr | Spyridon | Kosionis | Department of Materials Science, School of Natural Sciences, University of Patras, Patras, Greece | Greece | Quantum Optics | Coherent Light–Matter Interactions in Quantum Dot–Plasmonic Hybrid Systems | Research Excellence Award | View Profile |
| Prof | Srabani | Taraphder | Indian Institute of Technology Kharagpur | India | Biophysics | Computer Simulation of Enzyme Dynamics | Best Researcher Award | View Profile |
| Assist Prof Dr | Sridhar | Palla | Indian Institute Of Petroleum And Energy Visakhapatnam | India | Quantum Materials | Density Functional Theory and Molecular Modeling | Young Scientist Award | View Profile |
| Dr | Srinivasan | S | Presidency College | India | Nonlinear Optics | Crystal growth | Best Researcher Award | View Profile |