| Mr | Dachasa | Dabalo | Ethiopian Health Insurance Services | Ethiopia | Public Health | General public health | Best Researcher Award | healthscientists.org |
| Dr | Dana | Chase | UCLA | United States | Oncology | Gynecologic Oncology | Best Researcher Award | healthscientists.org |
| Mrs | Daniela | Chrysostomou | Wound Clinic, Healthat45 | South Africa | Primary Care | Wound management and CAre | Best Researcher Award | healthscientists.org |
| Assoc. Prof. Dr | Danni | Wang | Shanghai Jiao Tong University School of Medicine | China | Medical Microbiology | Mechanisms of pathogen-host cell interactions | Best Researcher Award | healthscientists.org |
| Mr | David | Camann | Southwest Research Institute | United States | Environmental Health | Statistics | Leading Environmental Health Scientist Award | healthscientists.org |
| Mr | Dawit | Lemma | Wachemo University | Ethiopia | Endocrinology | Diabetology | Research Excellence Award | healthscientists.org |
| Prof. Dr | Delcea | Cristian | Tibiscus University | Romania | Public Health | Depression | Innovative Research Award | healthscientists.org |
| Dr | Dennis | De Champeaux | Unaffiliated | United States | Primary Care | diagnosis | Best Researcher Award | healthscientists.org |
| Dr | Diana | Hristova | Aleksandrovska University Hospital, Immunology Clinic with Stem Cell Bank, Sofia, Bulgaria | Bulgaria | Clinical Medicine | Immunology, allergology | Best Medical Scientist Award | healthscientists.org |
| Prof. Dr | Dieter | Melchart | Deggendorf Institute of Technology DIT | Germany | Mental Health | Medizin | Research Excellence Award | healthscientists.org |
| Dr | Dimitrios | Bouklas | General Hospital of Athens 'G.Gennimatas' | Greece | Oncology | Surgical Pathology | Innovative Research Award | healthscientists.org |
| Dr | Dimitrios | Tsiftsis | Nikaia General Hospital Emergency Department | Greece | Public Health | Substance Abuse | Innovative Research Award | healthscientists.org |
| Ms | Disha | Dhabarde | Kamla Nehru College of Pharmacy | India | Health Informatics | HEALTH SCIENCE | Best Diagnostic Innovation Award | healthscientists.org |
| Dr | Ahmad | Abdelrehim | Capital Health RMC | United States | Clinical Medicine | Internal Medicine | Research Excellence Award | healthscientists.org |
| Dr | Ahmed | Elghanam | kafrelsheikh university | Egypt | Oncology | Malignant pleural effusion management | Top Oncology Research Award | healthscientists.org |
| Dr | Amal | Youssef | Mayo Clinic | United States | Cardiology | Cardio-obstetrics | Research Excellence Award | healthscientists.org |
| Dr | Anjan | Desai | SPB Physiotherapy college | India | Rehabilitation Science | NeuroPhysiotherapy | Best Academic Researcher Award | healthscientists.org |
| Dr | Bishwambhar | Mishra | Chaitanya Bharathi Institute of Technology, Hyderabad, India | India | Public Health | Gut Microbiome | Best Academic Researcher Award | healthscientists.org |
| Dr | Christian | Mangala | National Public Health Laboratory | Gabon | Virology | Human Papillomavirus | Best Researcher Award | healthscientists.org |
| Dr | Dhanusia | S | Saveetha Institute of Medical and Technical Sciences | India | Rehabilitation Science | Department of Neurosciences, physiotherapy | Young Researcher Award | healthscientists.org |