| Dr | Promise E. | Sefogah | University of Ghana Medical School | Surgical Site Infections | Ghana | Best Researcher Award | |
| Assoc Prof Dr | Ina | Schuppe Koistinen | Karolinska Institutet | others | Sweden | Best Research Award | |
| Dr | Sonia G | Sáyago-Ayerdi | Tecnológico Nacional de México/Instituto Tecnológico de Tepic | others | Mexico | Best Researcher Award | |
| Prof. | Hani | Saudy | Ain Shams Unversity | Plant Disease Modelling and Parameter Estimation | Egypt | Best Researcher Award | pencis.com |
| Dr | Ornnicha | Sathitakorn | Thammasat university hospital | Antimicrobial, Antibiotic, Antibacterial Resistance | Thailand | Best Researcher Award | |
| Dr | Md. Shaheen | Sarkar | Limerick Institute of Technology | Antimicrobials, Antibiotics, Antibacterials | Ireland | Outstanding Scientist Award | |
| Dr | Subhasish | Sarkar | College of Medicine and Sagore Dutta Hospital | Infectious Diseases Prevention, Control and Cure | India | Best Researcher Award | |
| Dr | Samuel | Sanni | Covenant University | Causes and Symptoms of Infectious Diseases | Nigeria | Best Researcher Award | |
| Dr | Karen | Sánchez | UFPel | Immunology of Infections | Brazil | Best Researcher Award | |
| Dr. | Ali | Samie | Mashhad University of Medical Sciences (MUMS) | Antimicrobials, Antibiotics, Antibacterials | Iran | Best Research Article Award | pencis.com |
| Ms | Nethmini | Samaradiwakara | Chiang Mai University | Plant Disease Modelling and Parameter Estimation | Sri Lanka | Best Researcher Award | |
| Dr. | Seyed Ehsan | Samaei | Mazandaran University of Medical Sciences | Neuro Infectious Diseases | Iran | Best Researcher Award | pencis.com |
| Dr | Susana | Salva | Cerela | Immunology of Infections | Argentina | Best Research Award | |
| Prof. | Nashwa | Sallam | Assiut university, Faculty of Agriculture, Department of Plant Pathology , Assiut, Egypt | Plant Disease Modelling and Parameter Estimation | Egypt | Women Researcher Award | pencis.com |
| Dr | Sulyman | Salawu | Landmark University | Epidemiology of Emerging and Re-Emerging Infectious Diseases | Nigeria | Excellence Award (Any Scientific field) | |
| Prof | El-Sayed | Salama | Lanzhou University | others | China | Best Researcher Award | |
| Dr. | Amir | Said | Institution: Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences | Antimicrobial, Antibiotic, Antibacterial Resistance | China | Research Excellence Award | pencis.com |
| Assist Prof Dr | ARPIT | SAHA | Santiniketan Medical College | Infectious Diseases Prevention, Control and Cure | India | Best Research Award | |
| Dr. | Farzad | Safari | Isfahan University of Medical Siences | Microbial Forensics and Molecular Basis of Bacteria | Iran | Best Researcher Award | pencis.com |
| Prof. | Omid | Safari | Ferdowsi University of Mashhad | Antimicrobials, Antibiotics, Antibacterials | Iran | Research Excellence Award | pencis.com |