| Mr | Oleksandr | Sivak | Rheinland-Pfälzische Technische Universität | Germany | Research Excellence Award | popularengineer.org |
| Dr | Bibekananda | Sitha | NISER Bhubaneswar | India | Young Scientist Award | popularengineer.org |
| Prof | Margherita | Sisto | University of Bari | Italy | Best Researcher Award | popularengineer.org |
| Dr. | Sunny | Sinha | Appalachian State University | United States | Best Researcher Award | popularengineer.org |
| Prof | Sharad | Singhal | Beckman Research Institute of City of Hope | United States | Best Researcher Award | popularengineer.org |
| Assoc. Prof. Dr | Anuradha | Singh | University of Allahabad | India | Women Researcher Award | popularengineer.org |
| Prof. Dr | Jaiteg | Singh | Chitkara University, Punjab | India | Best Researcher Award | popularengineer.org |
| Ms | Vandana | Singh | IIT BHU | India | Research Excellence Award | popularengineer.org |
| Mr | Balraj | Singh | Delhi Technological University | India | Best Researcher Award | popularengineer.org |
| Assist. Prof. Dr | Helio Luiz | Simonetti | IFMG | Brazil | Best Researcher Award | popularengineer.org |
| Mr | Marta Filipa | Simões | Macau University of Science and Technology | Macau | Research Excellence Award | popularengineer.org |
| Dr | JOHN | SIMMONS | univeristy of liverpool | United Kingdom | Best Researcher Award | popularengineer.org |
| Dr | Angelika | Simkhaev | Barry University | Canada | Best Researcher Award | popularengineer.org |
| Prof. Dr | Shabana | Simjee | International Center for Chemical and Biological Sciences, University of Karachi | Pakistan | Best Researcher Award | popularengineer.org |
| Dr | Pedro | Silva | The George Washington University | United States | Best Researcher Award | popularengineer.org |
| Mr | Koagne Longpa Tamo | Silas | University of Dschang | Cameroon | Best Academic Researcher Award | popularengineer.org |
| Dr | Francisco | Sierra López | High Specialty Regional Hospital of Ixtapaluca (HRAEI) | Mexico | Best Researcher Award | popularengineer.org |
| Dr | Evgeny | Sidorov | OUHSC | United States | Best Researcher Award | popularengineer.org |
| Mr | Junaid Ahmed | Siddiqui | Pakistan Public Works Department | Pakistan | Research Excellence Award | popularengineer.org |
| Prof. Dr | Viktoriia | Shtefan | Leibniz-Institute for Solid State and Materials Research Dresden (IFW Dresden) | Germany | Best Academic Researcher Award | popularengineer.org |