| Mr. | David | Macdonald | Retired | United Kingdom | Social Sciences | Sociology (Drug Dependency) | Best Researcher Award | bookofaward.com |
| Dr. | David | Musgrave | University of Newcastle | Australia | Arts and Humanities | Poetry | Best Researcher Award | bookofaward.com |
| Prof. Dr. | Davron | Juraev | Turon University | Uzbekistan | Mathematics | Partial Differentiel Equations | Best Researcher Award | bookofaward.com |
| Dr. | DEBAPRIYA | BANIK | ICFAI University, Tripura | India | Computer Science | Medical Image Processing | Best Researcher Award | bookofaward.com |
| Dr. | Deepesh | Bansal | Indian Institute of Technology Delhi | India | Engineering | Civil (Geotechnical and Geoenvrionmental) Engineering | Excellence in Environmental Sustainability Research | bookofaward.com |
| Dr. | Delagnon | Assou | Laboratoty of Ecology and Ecotoxicology (LaEE), University of Lomé | Togo | Agricultural and Biological Sciences | Wildlife ecology and sustainable use of natural resources | | bookofaward.com |
| Mr. | Desmond | Vihywuseh | The University of Bamenda | Cameroon | Earth and Planetary Sciences | Geophysics | | bookofaward.com |
| Prof. Dr. | Devki | Talwar | University of North Florida, Jacksonville, FL USA | United States | Materials Science | Best publication Award | Best Researcher Award | bookofaward.com |
| Mr. | Deyang | Chen | University of Chinese Academy of Sciences | China | Economics, Econometrics and Finance | Climate finance | Best Researcher Award | bookofaward.com |
| Assist. Prof. Dr. | Dhaarna | | CEPT University, Ahmedabad | India | Engineering | Urban and regional planning | | bookofaward.com |
| Dr. | Dhanalakshmi | Karuppaiyan | Mookambigai College of Engineering, Keeranur | India | Physics and Astronomy | Ultrasonics, Spectroscopy, Molecular Docking, Density Functional Theory | Best Researcher Award | bookofaward.com |
| Dr. | Dimitrios | Karapiperis | International Hellenic University | Greece | Computer Science | Probabilities Statistics | Best Research Award | bookofaward.com |
| Dr | Dinesh | Chaudhary | Tribhuvan University | Nepal | Physics and Astronomy | Materials Science | Best Researcher Award | bookofaward.com |
| Dr. | ding | jia | CCTEG Xian Research Institute(Group) Co, Ltd. | China | Engineering | Geological Engineering | Best Researcher Award | bookofaward.com |
| Mr. | Diogo | Santiago | Oracle | Brazil | Computer Science | Artificial Intelligence | | bookofaward.com |
| Dr. | Domenico | Piccininno | Forensic Science Academy | Italy | Social Sciences | CRIMINOLOGIA | Best Research Award | bookofaward.com |
| Prof. | Donato | Abruzzese | Università di Roma "Tor Vergata" | Italy | Engineering | Structures & Cultural Heritage | Best Researcher Award | bookofaward.com |
| Dr. | Dong Hee | Kim | Pusan national university | South Korea | Biochemistry, Genetics and Molecular Biology | Metabolic diseases/ Neuroscience | Best Research Award | bookofaward.com |
| Dr. | Dong Hyun | Kim | Seoul National University College of Medicine | South Korea | Medicine and Dentistry | Clinical Oncology | Young Scientist Award | bookofaward.com |
| Prof. | Dong | Jiang | Peking University Third Hospital | China | Medicine and Dentistry | orthopedic sports medicine and arthroscopic surgery | Best Researcher Award | bookofaward.com |