| Dr | SRISHAILAM | KANUGULA | SR UNIVERSITY | India | Atomic and Molecular Spectroscopy | Quantum Chemical Calculations of Bioactive Molecules | Best Researcher Award | |
| Dr | Srivathsava | Surabhi | University of Concepción | Chile | Optical Physics | Optoelectronics | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Stevan | Armakovic | University of Novi Sad, Faculty of Sciences | Serbia | Molecular Physics | Computer physics | Outstanding Scientist Award | View Profile |
| Prof | Steven | Chu | Stanford University | United States | Biophysics | single particle tracking | Best Researcher Award | View Profile |
| Dr | Stuart | Kauffman | University of Pennsylvania | United States | Cosmology | Astrophysics | Best Researcher Award | View Profile |
| Prof. Dr | Subhash | Kondawar | Rastrasant Tukadoji Maharaj Nagpur University | India | Optical Physics | Photoluminescent nanofibers | Optical Physics Excellence Award | View Profile |
| Assist Prof Dr | Suchand Sangeeth | C S | National Institute of Technology Calicut | India | Laser Physics | Nonlinear optics, Materials | Best Researcher Award | |
| Dr | Suchit | Sarin | University of Nebraska-Lincoln | United States | Ultrafast Physics | Materials Science and Metallurgy | Best Researcher Award | View Profile |
| Dr | Sudeshna | Roy | Friedrich Alexander University Erlangen | Germany | Condensed Matter Physics | Soft matter/ Granular matter | Best Researcher Award | View Profile |
| Dr | SUDHA | D | KPR INSTITUTE OF ENGINEERING AND TECHNOLOGY | India | Solid-State Physics | Advanced Materials/Nanocomposites/Biomedical physics/Environmental chemistry | | View Profile |
| Assist Prof Dr | SUJIT | DAS | Indian Institute of Science, Bangalore | India | Quantum Materials | Ferroelectric, Magnetic, Device | Young Scientist Award | View Profile |
| Dr | Sumati | Patil | CNR - Istituto Officina dei Materiali (IOM) | Italy | Atomic Physics | Surface Science | Best Researcher Award | View Profile |
| Dr | Sundaravadivoo | Baskar | Central University of Tamil Nadu | India | Mathematical Physics | Fractional Differential Equations | Best Researcher Award | View Profile |
| Prof. Dr | Sung Jae | Kim | Seoul National University | South Korea | Fluid Mechanics | electrokinetics | Best Researcher Award | View Profile |
| Mr | Sunjun | Jin | National Institute of Metrology, China | China | Nuclear Physics | rays interact with matters | Research Excellence Award | View Profile |
| Mr | Sunny | Choudhary | University of Puerto Rico, Rio Piedras San Juan Puerto Rico, USA | Puerto Rico | Condensed Matter Physics | Energy Storage Device/ Batteries | Best Researcher Award | View Profile |
| Dr | Supakit | Paosen | Center of Antimicrobial Biomaterial Innovation-Southeast Asia, Faculty of Science, Prince of Songkla University | Thailand | Atomic and Molecular Spectroscopy | Nanotechnology, Health science, Nanomaterial, Microbiology, Pant extract | Best Researcher Award | View Profile |
| Dr | Surendiran | Mohan | School of Arts and Science | India | Atomic and Molecular Spectroscopy | Spectroscopy, Electrochemical Applications, Anticorrosive Materials | Best Researcher Award | View Profile |
| Dr | Surendra Kumar | Patel | Shandong University | China | Solid-State Physics | Friction Stir Processing | Young Scientist Award | View Profile |
| Mrs | Sushmita | Bhushan | Netaji Subhas University of Technology | India | Electromagnetism | RF | Best Researcher Award | View Profile |