| Prof | Singh | Shiv Govind | IIT Hyderabad | India | Others | Enviormental | Best Researcher Award | View Profile |
| Ms | Sipho | Chauke | Council for Scientific and Industrial Science | South Africa | Molecular Physics | Molecular and Optical physics | Best Researcher Award | |
| 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 Dr | Slava G. | Turyshev | NASA Jet Propulsion Laboratory | United States | Optical Physics | remote sensing | Best Researcher Award | |
| 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 |
| Ms | Sneha | Upadhyay | Ohio University | United States | Quantum Materials | Research | Best Researcher Award | |
| Dr | Snehal | Kadam | Seoul National University of Science and Technology | South Korea | Atomic Physics | Material Science | Best Researcher Award | View Profile |
| Prof | Soad | Fares | Departments of Physics, Faculty of Science, Baha University, Saudi Arabia | Egypt | Atomic and Molecular Spectroscopy | nuclear spectroscopy | Optical Physics Excellence Award | |
| Mr | Solomon | Lalmalsawma | National Institute of Technology, Mizoram | India | Others | Vector Optimization | Best Researcher Award | |
| 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 |
| Dr | Sonal | | Delhi Technological University, Delhi, India | India | Quantum Electrodynamics | Quantum Computing | Women Researcher Award | |
| 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 |
| Mr | SOURAV | GARAI | CSIR CMERI ACSIR | India | Others | NANO-TECHNOLOGY AND MAGNETO HYDRODYNAMICS | Best Researcher Award | |
| 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 |