| Assist. Prof. Dr | Dinesh | Kulhary | Career Point University | India | Condensed Matter Physics | Organic-inorganic hybrid perovskites | Innovative Research Award | View Profile |
| Mr | Dimos Dimitrios | Plakotaris | Aristotle University of Thessaloniki | Greece | Choose | Air Quality Data Assessment | Best Researcher Award | View Profile |
| Ms | Dilara | Ickecan | Marmara University | Turkey | Others | Investigation of shielding properties of impregnated activated carbon for gamma-rays | Best Researcher Award | |
| Dr | Diksha | Sharma | Career Point University Hamirpur (H.P.) | India | Fluid Mechanics | Fluid Dynamics, Boundary Layer Flow | Best Researcher Award | View Profile |
| Dr | Dienifer | Horsth | UNICENTRO | Brazil | Optics | Near Infrared Spectroscopy | Best Researcher Award | View Profile |
| Dr | Didier | Belobo Belobo | African Centre for Advanced Studies | Cameroon | Cold Atoms and Molecules | Mathematical Phyics/Bose-Einsteins condensates/ | Best Researcher Award | View Profile |
| Dr | Diango | MOntalvan | University of Turin | Italy | Atomic Physics | Nuclear and Medical Physics | Best Researcher Award | View Profile |
| Dr | Diana | Portan | University of Patras | Greece | Molecular Physics | Polymers biodegradation in relevant environment | Best Researcher Award | View Profile |
| Dr | Dhanalakshmi | Karuppaiyan | Periyar Maniyammai Institute of Technology | India | Acoustics | Ultrasonics, Spectroscopy, Molecular Docking, DFT | Best Researcher Award | View Profile |
| Prof Dr | Deva Prasad Raju | Borelli | Sri Venkateswara Uiversity, Tirupati | India | Atomic and Molecular Spectroscopy | Photonics | Excellence in Atomic, Molecular, and Optical Physics Award | View Profile |
| Prof. Dr | Denise | PUMAIN | University Paris 1 Pantheon Sorbonne | France | Thermodynamics and Statistical Mechanics | Geography | Lifetime Achievement Award | View Profile |
| Assoc Prof Dr | Demeter | Tzeli | N.k.u.a. / Department Of Chemistry / Physical Chemistry Laboratory | Greece | Molecular Physics | Computational Physics | Best Research Award | |
| Dr | Delhi Babu | R | Sathyabama Institute of Science and Technology | India | Mathematical Physics | Fluid Dynamics | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Deepak Kumar | Panda | Amrita Viswa Vidyapeetam | India | Quantum Materials | Kuragallu, Mangalagiri, Amaravati, Andhra Pradesh 522503 | Best Researcher Award | View Profile |
| Dr | Deepak | Basandrai | Lovely Professional University | India | Others | Material Science | Best Researcher Award | |
| Dr | Deepak | Khobragade | Datta Meghe College of Pharmacy DMIHER (DU) | India | Biophysics | Pharmaceutics | Best Researcher Award | View Profile |
| Mr | DEEP | SHANKAR | National Institute of Technology, Karnataka | India | Others | Surface coating for biomedical implants | Best Researcher Award | |
| Prof | Debjani | Nath | University Of Kalyani | India | Atomic and Molecular Spectroscopy | nanotechnology and health science | Best Researcher Award | View Profile |
| Mr | Debapriya | Pradhan | centurion university of technology and management | India | Optical Physics | Nanomaterial in water treatment | Excellence in Research | View Profile |
| Prof Dr | Davut | Avcı | Sakarya University, Faculty of Science, Department of Physics | Turkey | Atomic and Molecular Spectroscopy | Atomic, Molecular and Optical Physics | Best Researcher Award | View Profile |