| Mr | Vimukthi | Dananjaya | School of Engineering, Swinburne University of Technology | Australia | Materials Science and Engineering | Best Researcher Award | View Profile |
| Mr | Milkessa | Dangia | Wollega University | Ethiopia | Others | Excellence in Research | |
| Dr | Mohtaram | Danish | Kyungpook National University | South Korea | Water and Wastewater Treatment | Best Researcher Award | View Profile |
| Mr | Mahjoub | DAOUDY | University Sidi Mohamed Ben Abdellah USMBA, FST, Fez | Morocco | Materials Science and Engineering | Best Researcher Award | |
| Mrs | Magdalini | Dapsopoulou | AGRICULTURAL UNIVERSITY of ATHENS DEPT. FORESTRY & MANAGEMENT OF NATURAL ENVIRONMENT | Greece | Urban Planning | | View Profile |
| Dr | Aminu | Darda'u Rafindadi | Bayero University Kano | Nigeria | Construction Management | Best Researcher Award | |
| Dr | Hossein | Darijani | Shahid Bahonar University of Kerman | Iran | Materials Science and Engineering | Best Researcher Award | View Profile |
| Prof | ASHRAF | DARWISH | Faculty of science, Helwan University | Egypt | Sustainable Development | Outstanding Scientist Award | View Profile |
| Prof Dr | Amit | Das | IIT Kharagpur | India | Others | Best Researcher Award | View Profile |
| Dr | pankaj Kumar | Das | NIT Agartala | India | Sustainable Development | Excellence in Research | View Profile |
| Dr | ABHIJEET | DAS | C.V. Raman Global University (CGU), Bhubaneswar, Odisha, India | India | Environmental Hydrology | Water Resources Management Achievement Award | View Profile |
| Mr | SHYAM | DATTA WAGHMARE | ICAR-Central Institute of Fisheries Education Mumbai | Iran | Water and Wastewater Treatment | Best Researcher Award | |
| Mr | SHYAM | DATTA WAGHMARE | ICAR-Central Institute of Fisheries Education Mumbai | India | Water and Wastewater Treatment | Best Researcher Award | View Profile |
| Mr | Rahman | Davtalab | Singhofen and Associate Inc. | United States | Water Resources Engineering | Best Researcher Award | View Profile |
| Prof | Agnieszka | Dawidowicz | University of Warmia and Mazury in Olsztyn, Institute of Spatial Management and Geography, Department of Land Management | Poland | Urban Planning | Best Researcher Award | View Profile |
| Dr | Renata | De Vecchi | UFSC/LabEEE | Brazil | Environmental Engineering | Best Researcher Award | View Profile |
| Prof | Raffaella | De Vita | Virginia Techq | United States | Others | Best Researcher Award | |
| Assist. Prof. Dr | MARIA VICTORIA | DE-LA-FUENTE | UNIVERSIDAD POLITECNICA CARTAGENA | Spain | Urban Planning | Best Researcher Award | View Profile |
| Prof. Dr | Alexander | Degtyarev | Saint-Petersburg State University | Russia | Others | Best Researcher Award | |
| Assoc. Prof. Dr | Vladimir | Dekys | Department of Applied Mechanics, Faculty of Mechanical Engineering, University of Zilina | Slovakia | Materials Science and Engineering | Best Researcher Award | View Profile |