| Dr | Sufia | Sultana | Cranfield University | United Kingdom | Environmental Science | Sanitation | Best Researcher Award | worldtopscientists.com |
| Mr | Qingyu | Sui | Northeast Foresty University | China | Other | Ecosystem service | Best Researcher Award | worldtopscientists.com |
| Dr | Ramadevi | Subramani Reddy | Texas Tech University Health Sciences Center El Paso | United States | Health Professions | Cancer Biology | Research Excellence Award | worldtopscientists.com |
| Dr | Liudmila | Stelmakh | A.O. Kovalevsky Institute of Biology of the Southern Seas of RAS | Russia | Environmental Science | Marine Biology, Ecological physiology of algae | Best Researcher Award | worldtopscientists.com |
| Prof | Anna Maria | Stellacci | University of Bari, Department of Soil, Plant and Food Sciences | Italy | Agricultural and Biological Sciences | Computation of soil quality indices; hyperspectral data analysis of soil and vegetation; assessment of spatial variability; innovative experimental designs in agriculture | Best Researcher Award | worldtopscientists.com |
| Prof Dr | André | Stein | Universidade Federal de Mato Grosso (UFMT) | Brazil | Chemistry | Síntese Orgânica | Best Researcher Award | worldtopscientists.com |
| Prof | Panagiotis | Stavrakas | University of Patras | Greece | Medicine and Dentistry | Ophthalmology | Research Excellence Award | worldtopscientists.com |
| Dr | Serguey | Starostenko | Institute for Theretical and Applied Electromagnetics | Russia | Physics and Astronomy | Materials science | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Sanjay | Srivastava | Texas Tech University Health Sciences Center | United States | Pharmacology, Toxicology and Pharmaceutical Science | Molecular Oncology | Best Researcher Award | worldtopscientists.com |
| Mr | Vineet | Srivastava | University of Szeged | Hungary | Environmental Science | Climate Change, Environmental Modelling | Research Excellence Award | worldtopscientists.com |
| Dr | Narayani | Sritharan | AidData at William & Mary | United States | Economics, Econometrics and Finance | Development Economics | Best Researcher Award | worldtopscientists.com |
| Dr | Soorya | Srinivasan | Indian Institute of Technology | India | Physics and Astronomy | Material science | Best Researcher Award | worldtopscientists.com |
| Dr | Joseph | Squillace | Penn State University | United States | Computer Science | Cybersecurity | Global Scientific Impact Award | worldtopscientists.com |
| Mr | Evangelos | Spyrou | National and Kapodistrian University of Athens | Greece | Earth and Planetary Sciences | Geological heritage assessment and promotion | Best Researcher Award | worldtopscientists.com |
| Dr | Clitor | Souza | UFGD | Brazil | Agricultural and Biological Sciences | Food Science | Best Innovation Award | |
| Assoc Prof Dr | Shaymaa | Sorour | King Faisal University, Alhufof 31982, Saudi Arabia} | Saudi Arabia | Computer Science | Artificial Inteeligent | Women Researcher Award | worldtopscientists.com |
| Dr | SHELENA | SOOSAY NATHAN | Universiti Tun Hussein Onn Malaysia | Malaysia | Computer Science | MOBILE, INTERNET OF THINGS | Women Researcher Award | worldtopscientists.com |
| Mr | Akash | Sood | Sant Longowal Institute of Engineering and Technology | India | Engineering | Carbon dioxide Capture and Sequestration | Best Researcher Award | worldtopscientists.com |
| Mr | Jatin | Soni | Institute of Technology, Nirma University | India | Engineering | Electrical Engineering, Power system optimization | Best Researcher Award | worldtopscientists.com |
| Prof | Chonghui | Song | Northeastern University | China | Engineering | Power Electronics, Converters, Fault Diagnosis | Best Researcher Award | worldtopscientists.com |