| Dr | Khashayar | Ghandi | University of Guelph | Canada | Molecular Physics | Remote sensing | Excellence in Innovation | View Profile |
| Prof | KHIROUNI | Kamel | Faculté des Sciences de Gabès, University of Gabes | Tunisia | Solid-State Physics | Preparation and characterization of materials • Used techniques : Czochralski and Bridgman techniques of elaboration, Plasma Enhanced Chemical Vapor Deposition, Admittance spectroscopy, Photoluminescence and photocurrent spectroscopy, optical absorption, DLTS, Hall effect, Current –voltage measurements, Differential Thermal Analysis, …. | Optical Physics Excellence Award | View Profile |
| Mr | kia | khademi | Concordia University | Canada | Quantum Materials | Nonlinear Optics | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Kiran | Bajaj | Amity Institute of Applied Science | India | Particle Physics | Organic Luminophores | Best Researcher Award | View Profile |
| Dr | Kiran | Aftab | Government College University Faisalabad | Pakistan | Atomic and Molecular Spectroscopy | Analytical Chemistry | Best Researcher Award | View Profile |
| Mr | Kirill | Paperzh | Southern Federal Univetsity | Russia | Solid-State Physics | Hydrogen energy, electrocatalysts | Best Researcher Award | View Profile |
| Dr | Kirubhanand | Chandrasekaran | AIIMS Nagpur | India | Atomic and Molecular Spectroscopy | Spectroscopic, Solvent Effect, Molecular Docking and Molecular Dynamics Investigations on Phytocompounds from Elettaria cardamomum against Covid-19 | Best Researcher Award | |
| Assist. Prof. Dr | Kishor | Maharjan | Tribhuvan University | Nepal | Others | Microplastics | Best Researcher Award | View Profile |
| Mr | Kishwar | Ali | University of L'Aquila Italy | Italy | Optical Physics | Nanophotonic and Metamaterials Design | Best Researcher Award | View Profile |
| Dr | Konstantin | Andryushin | Southern federal university | Russia | Atomic Physics | Atomic Molecular and Optical Physics | Best Researcher Award | |
| Dr | Konstantin | Sergeenko | JSC NIKIET | Russia | Others | Computational fluid dynamics/DNS/Turbulence | Best Researcher Award | |
| Ms | Konstantina | Papachristopoulou | University of Patras | Greece | Optical Physics | Photonics | Best Researcher Award | View Profile |
| Dr | Kouao Laurent | KOUADIO | Central South University | China | Others | Geophysics | Best Researcher Award | View Profile |
| Ms | KRITIKA | AWASTHI | IITISM DHANBAD | India | Optical Physics | Silicon Photonics | Best Researcher Award | |
| Prof | Kulamani | Parida | Siksha 'O' Anusandhan ( Deemed to be university) | India | Others | Nano science and Heterogeneous catalysis | Outstanding Scientist Award | View Profile |
| Mr | Kumar Riddhiman | Sahoo | Jadavpur University | India | Solid-State Physics | Optoelectronic and Sensing | Best Researcher Award | View Profile |
| Ms | Kun | Hu | Beijing Normal University | China | Quantum Materials | Statistical physics | Best Researcher Award | View Profile |
| Prof. Dr | Kuncan | Zheng | Inner Mongolia University of Science and Technology | China | Fluid Mechanics | tansportation in porous media,Unified Theory of Transport Dynamics | Research Excellence Award | View Profile |
| Prof Dr | Kuntal | Das | Mallige College of Pharmacy | India | Others | Pharmacy | Best Researcher Award | |
| Dr | Kuppusamy | Balasubramani | Hindusthan College of Engineering and Technology | India | Quantum Materials | Graphene oxide, Adsorption, Wastewater treatment | Best Researcher Award | View Profile |