| Dr | David | Katz | Diet ID, Inc | United States | Others | dietary assessment and goal setting | Excellence in Innovation | |
| Assoc. Prof. Dr | Davood | Kalantari | Sari Agricultural Sciences and Natural Resources University | Iran | Computer aided machine design | computer technology for design, simulation and construction | Best Researcher Award | View Profile |
| Mr | Dayal | Chandra Roy | Iwate University | Japan | Computer aided machine design | Physics | Best Researcher Award | |
| Mrs | Déborah Cristina | Barcelos Flores | Federal University of Santa Maria | Brazil | Others | Food Science and Technology | Best Researcher Award | |
| Dr | Deepika | Sharma | National Institute of Plant Genome Research | India | Others | Plant Molecular Biology | Best Researcher Award | |
| Ms | Deepshikha | Bhati | Kent State University | United States | Others | Explainable Computer Aided Design In Mechanical Engineering | Best Researcher Award | View Profile |
| Dr | Denis | Barros | UNESP | Brazil | Others | Thermodynamics of Materials / Phase Diagram / Ternary System Al-V-Zr | Best Researcher Award | View Profile |
| Prof | Desouky | Abd-El-Haleem | City of Scientific research annological applicationsd tech | Egypt | Materials selection and structural design | biomaterials | Best Researcher Award | View Profile |
| Prof | DEVI | Thirupathi | PSG INSTITUTE OF MANAGEMENT | India | Industrial engineering | 5G Networks | Women Researcher Award | View Profile |
| Dr | Dhabalendu | Samanta | PDM University, Haryana, India | India | Others | Mathematics | Best Researcher Award | |
| Mr | Dharan | Bharti | University of Bologna | Italy | Others | Industrial Organizational Psychology | Research Excellence Award | View Profile |
| Assist Prof Dr | Diana | Malaeb | Gulf Medical University | United Arab Emirates | Others | Public awareness and clinical pharmacy | Best Researcher Award | |
| Mr | Dimitrios | Gerontitis | International Hellenic University | Greece | Intelligent control systems | Recurrent Neural Networks | Best Researcher Award | |
| Prof. Dr | Dimitrios | Damopoulos | Centinels.org | Greece | Intelligent control systems | Cyber-physical Security & Trustworthy AI Intrusion Detection Systems | Best Researcher Award | View Profile |
| Assist Prof Dr | Dina | Elnaggar | National Research Centre | Egypt | Computer technology for design and simulation | molecular modeling | Best Researcher Award | |
| Mr | Dinesh Kumar | Maddina | GITAM Deemed to be university | India | Heat transfer | Hybrid nanofluids | Young Scientist Award | |
| Mr | Diponkor | Bala | Islamic University-Bangladesh | Bangladesh | Computer aided machine design | Medical Imaging | Excellence in Research | |
| Assoc Prof Dr | Dirceu | Noriler | School of Chemical Engineering / University of Campinas | Brazil | Fluid mechanics | Multiphase Flow | Best Researcher Award | |
| Mr | Dishant | Banga | Bridgetree | United States | Others | Analytics | Best Researcher Award | |
| Dr | Diwang | Ruan | Technische Universität Berlin | Germany | Quality control | fault diagnosis | Best Researcher Award | |