| Dr | Dewashish | Kumar | CSIR-NGRI, HYDERABAD, INDIA | India | Earth and Planetary Sciences | Groundwater and Exploration Geophysics | Best Researcher Award | |
| Ms | Dew | Biswas | University of Calcutta | India | Agricultural and Biological Sciences | Genetics | Young Scientist Award | |
| Assist Prof Dr | Devran | YAZIR | Karadeniz Technical university | Turkey | Engineering | Maritime Transportation and Management Engineering | Best Researcher Award | |
| Mr | Devon | Dickson | ReproMed Fertility | Canada | Health Professions | Reproductive Sciences | Best Researcher Award | |
| Dr | Devkumar S | Callychurn | University of Mauritius | Mauritius | Engineering | Sustainable Manufacturing | Best Researcher Award | |
| Dr | Devesh Kumar | Pathak | University of Seoul | South Korea | Materials Science | Electrochromic devices | Best Researcher Award | |
| Dr | Dev Mani | Pandey | Birla Institute of Technology, Mesra, Ranchi | India | Biochemistry, Genetics and Molecular Biology | Plant Biotechnology, Functional Genomics | Best Researcher Award | |
| Assoc Prof Dr | Desislava | Vankova | Medical University of Varna | Bulgaria | Other | Higher education in medicineq dentistry and pharmacy | Best Researcher Award | |
| Dr | Desen | Özkan | University of Connecticut | United States | Engineering | Engineering education | Best Researcher Award | View Profile |
| Mr | Desalegn | Akuma | Jimma University | Ethiopia | Chemical Engineering | Environmental Engineering | Young Scientist Award | |
| Assoc Prof Dr | Desalegn | Ayal | Addis Ababa University | Ethiopia | Environmental Science | Disaster Risk Management | Best Scholar Award | |
| Mr | Desalegen | Amare | Bahir Dar University | Ethiopia | Nursing and Health Professions | pediatrics and child health care and Tuberculosis care | Best Researcher Award | |
| Assist Prof Dr | Derya | Deliktaş | Kütahya Dumlupınar University | Turkey | Engineering | Multi-criteria Decision-making | Women Researcher Award | |
| Mr | Dereje | Melese | Debre Markos University | Ethiopia | Social Sciences | Political Science | Research Excellence Award | View Profile |
| Prof | Denny | John | MS Ramaiah University of Applied Sciences | India | Medicine and Dentistry | Public Health | Best Researcher Award | View Profile |
| Mr | Dennis | Castillo-Figueroa | Universidad del Rosario | Colombia | Environmental Science | Ecología | Young Scientist Award | |
| Mr | Dennis | Wayo | Nazarbayev University | Kazakhstan | Chemical Engineering | Drilling & Completions | Best Researcher Award | |
| Dr | Denis | Ringo | The University of Dodoma | Tanzania | Business, Management and Accounting | Accounting, Corporate Governance and Business Ethics | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Demokrat | Nuha | University for Business and Technology | Albania | Chemistry | Organic Chemistry | Young Scientist Award | View Profile |
| Dr | Demmelash | Moges | Addis Ababa University | Ethiopia | Mathematics | Optimization | Best Researcher Award | |