| Dr | Satya Veerendra | Arigela | Manipal Institute of Technology | India | Sustainable Development | Best Researcher Award | |
| Mr | Sarthak | Acharya | University of Oulu | Finland | Materials Science and Engineering | Research Excellence Award | View Profile |
| Prof | SARELLA | VENKATESWARA RAO | National Institute of Technology Warangal | India | Structural Engineering | Best Researcher Award | View Profile |
| Mr | Sareer | Ul Amin | Chung Ang University | South Korea | Others | Excellence in Research | View Profile |
| Mr | Sareer | Ahmad | Quaid-I-Azam University Islamabad, Pakistan | Pakistan | Urban Planning | Best Researcher Award | |
| Mr | Sardar Jaspal | Singh | Osmania University | India | Materials Science and Engineering | Best Researcher Award | |
| Mrs | Saray | Sánchez Sevilleja | INTA | Spain | Others | Best Industrial Research Award | View Profile |
| Prof | Sarah | Wheeler | University of Adelaide | Australia | Environmental Policy and Management | Best Researcher Award | |
| Ms | Sara Esperanza | Matendo | Universidad Politécnica de Madrid | Spain | Environmental Hydrology | Young Scientist Award | View Profile |
| Dr | Sara | Hemati | Shahrekord University of Medical Sciences | Iran | Environmental Engineering | Best Researcher Award | View Profile |
| Dr | Sara | Caldrer | IRCCS Sacro Cuore Don Calabria Hospital | Italy | Others | Best Researcher Award | View Profile |
| Dr | Saqib | Mehmood | Xi'an Fanyi University | China | Environmental Engineering | Research Excellence Award | View Profile |
| Assoc. Prof. Dr | Saoussen | Cherni Namouchi | Faculty of Sciences of Tunis | Tunisia | Others | Excellence in Research | |
| Dr | Saoussen | Cheikhrouhou | University of Sfax | Tunisia | Sustainable Development | Research Excellence Award | View Profile |
| Assist. Prof. Dr | Santhana Krishna Kumar | Alagarsamy | Agh University Of Science And Technology | Poland | Water and Wastewater Treatment | Excellence in Research | |
| Prof | Sanjay | Pandey | Indian Institute of Technology (BHU), Varanasi | India | Environmental Modeling | Best Researcher Award | View Profile |
| Dr | Sania | Zia | The University of Lahore, Lahore, Pakistan | Pakistan | Choose | Best Researcher Award | |
| Dr | Sang-Phil | Kim | Winona State University | United States | Green Infrastructure | Best Researcher Award | |
| Dr | Sandra | Matarneh | Al Ahliyya Amman University | Jordan | Environmental Engineering | Women Researcher Award | View Profile |
| Prof. Dr | Sandra | Cunha Gonçalves | Instituto Federal da Bahia | Brazil | Materials Science and Engineering | Women Researcher Award | View Profile |