| Prof. Dr | Delcea | Cristian | Tibiscus University | Romania | Public Health | Depression | Innovative Research Award | healthscientists.org |
| Mr | Dachasa | Dabalo | Ethiopian Health Insurance Services | Ethiopia | Public Health | General public health | Best Researcher Award | healthscientists.org |
| Assoc. Prof. Dr | Alfred Anselme | Dabilgou | University Joseph KI ZERBO | Burkina Faso | Neuroscience | covid 19 | Best Researcher Award | healthscientists.org |
| Mr | Ruben | Danielyan | NCDCP | Armenia | Public Health | Entomology | Best Researcher Award | healthscientists.org |
| Dr | Dennis | De Champeaux | Unaffiliated | United States | Primary Care | diagnosis | Best Researcher Award | healthscientists.org |
| Prof. Dr | Rodrigo | de Freitas Bueno | Federal University of ABC | Brazil | Epidemiology | Monitoring of emerging and re-emerging viruses and pathogens in wastewater as an early warning tool | Best Researcher Award | healthscientists.org |
| Prof | Massimo | Del Fabbro | Università degli Studi di Milano | Italy | Translational Research | Odontoiatria | Breakthrough Research Award | healthscientists.org |
| Mrs | Federica | Delbello | ASUFC - Azienda Sanitaria Unversitaria Friuli Centrale | Italy | Rehabilitation Science | amputation, health-promoting behaviors | Research Excellence Award | healthscientists.org |
| Dr | Anjan | Desai | SPB Physiotherapy college | India | Rehabilitation Science | NeuroPhysiotherapy | Best Academic Researcher Award | healthscientists.org |
| Ms | Disha | Dhabarde | Kamla Nehru College of Pharmacy | India | Health Informatics | HEALTH SCIENCE | Best Diagnostic Innovation Award | healthscientists.org |
| Mrs | Lingyu | Ding | Jiangsu province hospital | China | Oncology | frailt management | Distinguished Scientist Award | healthscientists.org |
| Dr | Rongjing | Ding | Peiking United medical colloge hospital | China | Epidemiology | psycho-cardiology | Excellence in Research Award | healthscientists.org |
| Assist. Prof. Dr | Kalpana Deepa Priya | Dorayappan | The Ohio State University | United States | Oncology | Extracellular vesicle based biomarkers | Research Excellence Award | healthscientists.org |
| Dr | Praveen Kumar | Dubey | Indian Institute of Packaging-Lucknow | India | Health Technology | Food Science and Technology, novel non-thermal Technology | Best Researcher Award | healthscientists.org |
| Mr | Fatih | Durmaz | Selcuk University /faculty of science | Turkey | Environmental Health | Removal of harmful by-products in swimming pool water | Best Researcher Award | healthscientists.org |
| Prof. Dr | Raphael | Duval | Université de Lorraine | France | Pharmacology | new therapeutic options | Research Excellence Award | healthscientists.org |
| Dr | Edward | Egwuaba | Chukwuemeka Odumegwu Ojukwu University, Igbariam | Nigeria | Public Health | Medical Sociology | Best Researcher Award | healthscientists.org |
| Dr | Ahmed | Elghanam | kafrelsheikh university | Egypt | Oncology | Malignant pleural effusion management | Top Oncology Research Award | healthscientists.org |
| Dr | Rasha | Elsabagh | Animal Health Research Institute(AHRI) | Egypt | Oncology | comparative onco-immunology | Research Excellence Award | healthscientists.org |
| Dr | hossam | eltahan | MUCH | Egypt | Pediatrics | chest | Best Researcher Award | healthscientists.org |