| Mr. | Daroel | Fuentebella | Carlos Hilado Memorial State University | Philippines | Computer Science and Artificial Intelligence | Best Researcher Award | popularscientist.com |
| Dr. | David | Higgins | University of Liverpool | United Kingdom | Business, Management and Accounting | Best Researcher Award | popularscientist.com |
| Mr. | David | Akolgo | Ball State University | United States | Psychology | Research Excellence Award | popularscientist.com |
| Dr. | DEBASHIS | DUTTA | Mirmadan Mohanlal Govt. Polytechnic, Plassey, West Bengal | India | Biochemistry, Genetics and Molecular Biology | Best Researcher Award | popularscientist.com |
| Dr. | DEBDAS | MONDAL | S R F COOLEGE, MURSHIDABAD | India | Social Sciences | Excellence in Research | popularscientist.com |
| Dr | DEEPA | KRISHNAN | Kampala International School | Uganda | Engineering | Women Researcher Award | |
| Mr. | Deepak | Sharma | Banaras Hindu University | India | Arts and Humanities | Young Scientist Award | popularscientist.com |
| Dr. | Deepak Kumar | Dogra | Department of Physical Education, Faculty of Arts, Banaras Hindu University, Varanasi (UP) INDIA | India | Humanities and Science Integration | Best Researcher Award | popularscientist.com |
| Mrs. | DEEPALAKSHMI | P | SRM Institute of Science and Technology | India | Mathematics | Best Researcher Award | popularscientist.com |
| Prof. Dr. | Dejuan | Wang | Sun-Yat Sen university, The sixth affiliated Hospital | China | Medicine and Health Sciences | Best Researcher Award | popularscientist.com |
| Mr. | Deme | Hirko | Stellenbosch University | South Africa | Engineering | Best Researcher Award | popularscientist.com |
| Prof Dr | Demosthenes | Panagiotakos | HAROKOPIO University of Athens | Greece | Health Professions | Best Scholar Award | |
| Prof. | Dengkai | Chen | Northwestern Polytechnical University | China | Human-Computer Interaction | Best Researcher Award | |
| Assist. Prof. Dr. | Devendra | Jain | Maharana Pratap University of Agriculture and Technology | India | Agricultural and Biological Sciences | Best Researcher Award | |
| Mrs. | DEVI | B | The Indian Polytechnic college | India | Energy and Sustainability | Best Researcher Award | popularscientist.com |
| Devinder | Dhawan | Panjab University, Chandigarh | India | Biochemistry, Genetics and Molecular Biology | Lifetime Achievement Award | |
| DHANALAKSHMI | K | Mookambigai College of Engineering, Keeranur | India | Engineering | Best Researcher Award | |
| Dr. | Diana | Martinez | Université Laval | Canada | Chemistry and Materials Science | Best Researcher Award | popularscientist.com |
| Dr. | Diane | Damiano | NIH Intramural Research Program | United States | Engineering | Innovative Research Award | popularscientist.com |
| Assist. Prof. Dr. | Dibakar | Sahoo | Sambalpur University | India | Chemistry and Materials Science | Best Researcher Award | popularscientist.com |