| Masoud | Deyranlou | Islamic Azad University | Iran | Engineering | Optical Networking | worldtopscientists.com |
| Mahmood | Dheyaaldin | Cihan University-Erbil | Iraq | Engineering | Civil Engineering | worldtopscientists.com |
| Souhail | Dhouib | Higher Institute of Industrial Management, University of Sfax | Tunisia | Computer Science | Artificial Intelligence | worldtopscientists.com |
| Alice | Di Donna | Université Grenoble Alpes | France | Engineering | Geotechnical engineering | worldtopscientists.com |
| Mariangela | Di Vincenzo | Università Politecnica delle Marche | Italy | Biochemistry, Genetics and Molecular Biology | Stem Cells | worldtopscientists.com |
| Alfredo | Dias | Universidade de Coimbra | Portugal | Engineering | Construção Sustentável | worldtopscientists.com |
| Maritza Felisa | Díaz Gómez | Universidad Andres Bello, Escuela de Química y Farmacia | Chile | Chemistry | Ciencias Farmacéuticas, Profesional de la Salud | worldtopscientists.com |
| Tshegofatso | Dikobe | North-West University | South Africa | Agricultural and Biological Sciences | Plant physiology and proteomics | worldtopscientists.com |
| Feyera Gemeda | Dima | Jimma university | Ethiopia | Health Professions | Infectious Diseases | worldtopscientists.com |
| Ziyun | Ding | University of Birmingham | United Kingdom | Engineering | Biomedical Sensors | worldtopscientists.com |
| Adelaide | Dinoi | ISAC-CNR | Italy | Earth and Planetary Sciences | Scienze ambientali | worldtopscientists.com |
| khadijeh | dizaji asl | azad university of tabriz | Iran | Immunology and Microbiology | CAR NK cell | worldtopscientists.com |
| Mostefa | DJERMOUNI | Mostefa DJERMOUNI, Computational Material Physics Laboratory( Lpcm), University Of Sidi Bel-abbès, Algeria | Algeria | Materials Science | Computational Material Physics | worldtopscientists.com |
| Ayush | Dogra | Chitkara University,Punjab,India | India | Other | Digital Imaging | worldtopscientists.com |
| Evelina | Domashevskaya | Voronezh State University | Russia | Materials Science | Microstructural and Hydrophilic Properties of Polylactide Polymer Samples with Various 3D Printing Patterns | worldtopscientists.com |
| Haijie | Dong | Southwestern Institute of Physics | China | Energy | Fusion reactor design and engineering (especially in electromagnetic and structural) analysis | worldtopscientists.com |
| Xinsheng | Dong | State Grid Xinjiang Electric Power Research Institute | China | Engineering | electrical engineering | worldtopscientists.com |
| Guang-Hui | Dong | School of Public Health, Sun Yat-sen University | China | Environmental Science | Environmental Pollution and Human Health | worldtopscientists.com |
| Shuo | Dou | Northeast Forestry University | China | Materials Science | Electrocatalysis | worldtopscientists.com |
| Marília | Dourado | Faculdade de Medicina -Universidade de coimbra | Portugal | Medicine and Dentistry | Medicina Paliativa e Medicina da Dor | worldtopscientists.com |