| Mrs | A.R. | Deepika | Gitam Deemed to be University | India | Mathematics | Fluid Mechanics | Best Researcher Award | |
| Dr | Pamela Esther | Degele | National Council for Scientific and Technical Research (CONICET) | Argentina | Social Sciences | nature conservation, enviromental justice | Young Scientist Award | |
| Mr | Ali | Dehdar | Tarbiat modares University | Iran | Environmental Science | Environmental Health | Young Scientist Award | |
| Mr | Farshid | Dehghani | Shiraz University | Iran | Engineering | Electrical Engineering- Power Systems | Young Scientist Award | |
| Dr | Manaswini | Dehuri | Odisha University of Agriculture and Technology | India | Agricultural and Biological Sciences | Veterinary Science | Women Researcher Award | |
| Mr | Himangshu | Deka | NATIONAL INSTITUTE OF TECHNOLOGY SILCHAR | India | Energy | Photovoltaic | Best Researcher Award | youngscientistawards.com |
| Dr | Pubaleem | Deka | Siksha O Anusandhan (deemed to be) University | India | Veterinary Science and Veterinary Medicine | Veterinary Science | Young Scientist Award | youngscientistawards.com |
| Assoc Prof Dr | Edgar | Del Carpio | Central University of Venezuela | Venezuela | Chemistry | Bioinorganic and Solution Chemistry | Best Researcher Award | |
| Dr | Rocco | Del Regno | Università degli Studi di Salerno | Italy | Chemistry | Supramolecular chemistry | Young Scientist Award | |
| Dr | Angelica Hipatia | Delgado | Universidad Politécnica de Madrid | Spain | Biochemistry, Genetics and Molecular Biology | Agronomía | Best Researcher Award | youngscientistawards.com |
| Assist Prof Dr | Derya | Deliktaş | Kütahya Dumlupınar University | Turkey | Engineering | Multi-criteria Decision-making | Women Researcher Award | |
| Dr | Donatella | Delle Cave | CNR | Italy | Biochemistry, Genetics and Molecular Biology | oncologia | Women Researcher Award | youngscientistawards.com |
| Assoc Prof Dr | Fatih | Demir | Firat University | Turkey | Computer Science | Artificial Intelligence | Best Researcher Award | |
| Assist Prof Dr | Mukaddes | Demir Acar | Tokat Gaziosmanpasa University | Turkey | Health Professions | An Exploration of the Relationship between Liking of Children and Determining Abuse and Neglect among Students Studying Child Development at a Vocational School | Best Researcher Award | |
| Dr | Ayse | Demir-Korkmaz | Istanbul Medeniyet University | Turkey | Chemistry | Inorganic Chemistry | Best Researcher Award | |
| Mr | Kindnew | Demssie | National Taiwan University of science and Technology | Taiwan | Chemistry | Inorganic chemistry, Materials chemistry, Nanoscience and nanotechnology | Young Scientist Award | |
| Prof Dr | koen | demyttenaere | KU Leuven | Belgium | Medicine and Dentistry | psychistry | Best Researcher Award | |
| Assoc. Prof. Dr | Wei | Deng | Northwestern Polytechnical University | China | Business, Management and Accounting | Entrepreneurship and Innovation | Best Researcher Award | |
| Mr | Tejas Yogesh | Deo | Stanford University | United States | Engineering | Mechanical Engineering, Artificial Intelligence, Machine Learning, Reinforcement Learning, Condition Monitoring | Best Researcher Award | |
| Dr | Regan | Deonanan | The University of the West Indies | Trinidad and Tobago | Economics, Econometrics and Finance | Development Economics, Applied Economics | Best Researcher Award | |