| Dr | Diaa | Gab-Allah | Medical research institute- Alexandria Universty | Egypt | Climate Change Mitigation and Adaptation | Best Researcher Award | |
| Dr | Di | Kang | WSP USA | United States | Transportation Engineering | Best Researcher Award | View Profile |
| Dr | Dheeraj | joshi | DIT University | India | Sustainable Development | Best Researcher Award | View Profile |
| Mr | Dhaval | Patel | Polymer Competence Center Leobben | Austria | Materials Science and Engineering | Young Scientist Award | View Profile |
| Dr | DEVARAJ | SANDIRI | INSTITUTE OF AERONAUTICAL ENGINEERING | India | Materials Science and Engineering | Best Researcher Award | View Profile |
| Mr | Dev Bahadur | Khadka | Nagoya Institute of Technology | Japan | Materials Science and Engineering | Innovations in Materials Engineering Award | View Profile |
| Dr | Desire Wade | Atchike | Taizhou University | China | Environmental Policy and Management | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Denis | da Silveira | Federal University of Pernambuco | Brazil | Sustainable Development | Best Researcher Award | View Profile |
| Ms | Demet | Yesilbaş | erciyes university | Turkey | Others | Best Researcher Award | View Profile |
| Dr | Deepty Ranjan | Satapathy | CSIR-IMMT, Bhubaneswar | India | Environmental Engineering | Climate Resilience in Civil and Environmental Engineering Award | |
| Mr | DEBELA | JIMA | Budapest University of Technology and Economics | Hungary | Transportation Engineering | Best Researcher Award | |
| Mr | Dawit | Dibekulu | Mekdela Amba University | Ethiopia | Others | Best Researcher Award | |
| Dr | Dawen | Huang | Shanghai Jiao Tong University | China | Others | Best Researcher Award | |
| Dr | Dawei | Zhang | Zhejiang Normal University | China | Transportation Engineering | Best Researcher Award | View Profile |
| Dr | Davide | Guido | IRCCS "Saverio De Bellis" National Institute of Gastroenterology | Italy | Others | Best Researcher Award | View Profile |
| Dr | David | Gwapedza | Institute for Water Research | South Africa | Environmental Policy and Management | Best Researcher Award | View Profile |
| Prof. Dr | David | Dolowitz | University of Liverpool | United Kingdom | Sustainable Development | Best Paper Award | View Profile |
| Dr | Daud | Abdoh | The Hong Kong Polytechnic University (PolyU) | Hong Kong | Structural Engineering | Best Researcher Award | View Profile |
| Mr | Danjuma | Bawa | The Federal Polytechnic Mubi | Nigeria | Urban Planning | Best Researcher Award | |
| Prof | Daniela Dominica | Porcino | University Mediterranea of Reggio Calabria | Italy | Geotechnical Engineering | Best Paper Award | |