| Dr | BRIJESH | KUMAR | University of Lucknow | India | Atomic and Molecular Spectroscopy | Nanomaterials | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Rajender | Kumar | Career Point University, Hamirpur, Himachal Pradesh, INDIA | India | Condensed Matter Physics | Nanotechnology, Heterojunction Diodes and Material Science | Best Researcher Award | View Profile |
| Dr | Jogendra | Kumar | DIT University | India | Fluid Mechanics | Fluid Dynamics | Best Researcher Award | View Profile |
| Dr | Sanjay | Kumar | GL Bajaj Institute of Technology &Management,Greater Noida | India | Atomic and Molecular Spectroscopy | Material Science/Physics | Best Researcher Award | View Profile |
| Dr | Himanshu | Kumar | Damghan University | India | General Relativity | Cosmology/Computational Physics | Excellence in Research | View Profile |
| Dr | Vipin | Kumar | Yeungnam University | South Korea | Solid-State Physics | Computational analysis of two-dimensional materials for optoelectronics | Best Researcher Award | View Profile |
| Dr | Shailendra | Kumar | Indian Institute of Technology Delhi | India | Experimental Physics | Energy | Best Researcher Award | View Profile |
| Dr | Ajay | Kumar | Indian Institute of Technology Delhi | India | Optics | FIBER OPTICS | Best Researcher Award | View Profile |
| Dr | Shank | Kulkarni | Univerisity of Tennessee Knoxville | United States | Others | Hydrogen energy | Best Researcher Award | |
| Assist. Prof. Dr | Dinesh | Kulhary | Career Point University | India | Condensed Matter Physics | Organic-inorganic hybrid perovskites | Innovative Research Award | View Profile |
| Assist Prof Dr | Thirumoorthy | Kulandaivel | Saveetha School of Engineering / Saveetha University | India | Atomic Physics | Materials Science | Best Researcher Award | |
| Dr | Mohammad Muzammil | Kudduushi | University of Alberta | Canada | Plasma Physics | Cold Plasma Technology | Best Researcher Award | View Profile |
| Mr | Mmatlou | Kubyana | Stellenbosch University | South Africa | Optical Physics | Evolutionary game theory and adaptive dynamics | Best Researcher Award | View Profile |
| Prof | Sergey | Kruglov | University of Toronto | Canada | Nonlinear Optics | non-linear electrodynamics | Best Researcher Award | View Profile |
| Prof | Serguei | Krouglov | University of Toronto | Canada | Astrophysics | Black holes | Best Researcher Award | View Profile |
| Prof Dr | Alexander | Krot | United Institute of Informatics Problems of National Academy of Sciences of Belarus | Belarus | Plasma Physics | Ionospheric plasma/planet formation | Best Researcher Award | |
| Dr | VENKATESHWARAN | KRISHNASWAMI | SA RAJA PHARMACY COLLEGE | India | Laser Physics | Drug Delivery | Excellence in Research | View Profile |
| Prof | Sanjay | Krishna | Ohio State University | United States | Solid-State Physics | Semiconductor Infrared Detectors | Best Researcher Award | View Profile |
| Prof | Irena | Kratochvilova | Institute of Physics AS CR | Czech Republic | Others | nuclear facilities/engineering | Women Researcher Award | |
| Mr | Mohamed taieb | KRAKDIA | Research Laboratory: Proceeds, Energies, Environment and Electrical Systems (PEESE), whose ministry code is “LR18ES34”ENIG GABES TUNISIA | Tunisia | Coherent Control | microgrids | Best Researcher Award | View Profile |