| Prof. Dr | Subhash | Kondawar | Rastrasant Tukadoji Maharaj Nagpur University | India | Optical Physics | Photoluminescent nanofibers | Optical Physics Excellence Award | View Profile |
| Prof | Peter | Kondratenko | Nuclear Safety Institute | Russia | Atomic Physics | Theory of Impurity transport in inhomogeneous media | Best Researcher Award | |
| Prof. Dr | Elisa | Konofagou | Columbia University | United States | Ultrafast Physics | Acoustics, Ultrasound | Best Researcher Award | View Profile |
| Dr | masoumeh | kordi | shahid beheshti university | Iran | Choose | Biotechnology | Best Researcher Award | View Profile |
| Prof Dr | Şeyda | Korkut Uru | Zonguldak Bülent Ecevit University | Turkey | Molecular Physics | Sensor/Signal technologies | Best Researcher Award | View Profile |
| Prof | Nikolai | Kosarev | Siberian Federal University, School of Non-ferrous Metals | Russia | Optical Physics | mathematical physics, physics of plasmas, optics and spectroscopy | Best Researcher Award | View Profile |
| Dr | Spyridon | Kosionis | Department of Materials Science, School of Natural Sciences, University of Patras, Patras, Greece | Greece | Quantum Optics | Coherent Light–Matter Interactions in Quantum Dot–Plasmonic Hybrid Systems | Research Excellence Award | View Profile |
| Dr | Kouao Laurent | KOUADIO | Central South University | China | Others | Geophysics | Best Researcher Award | View Profile |
| Dr | Abdoulaye | Koura | Kwame Nkrumah University of Science and Technology | Ghana | Molecular Physics | Molecular Plant Breeding | Molecular Physics Achievement Award | View Profile |
| Dr | Alexander | Kovalev | Universität zu Kiel | Germany | Biophysics | Biomechanik, Photonik | Research Excellence Award | View Profile |
| 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 |
| Prof | Irena | Kratochvilova | Institute of Physics AS CR | Czech Republic | Others | nuclear facilities/engineering | Women Researcher Award | |
| Prof | Sanjay | Krishna | Ohio State University | United States | Solid-State Physics | Semiconductor Infrared Detectors | Best Researcher Award | View Profile |
| Dr | VENKATESHWARAN | KRISHNASWAMI | SA RAJA PHARMACY COLLEGE | India | Laser Physics | Drug Delivery | Excellence in Research | 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 | |
| Prof | Serguei | Krouglov | University of Toronto | Canada | Astrophysics | Black holes | Best Researcher Award | View Profile |
| Prof | Sergey | Kruglov | University of Toronto | Canada | Nonlinear Optics | non-linear electrodynamics | 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 |
| Dr | Mohammad Muzammil | Kudduushi | University of Alberta | Canada | Plasma Physics | Cold Plasma Technology | Best Researcher Award | View Profile |
| Assist Prof Dr | Thirumoorthy | Kulandaivel | Saveetha School of Engineering / Saveetha University | India | Atomic Physics | Materials Science | Best Researcher Award | |