| 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 |
| Assist Prof Dr | Kwangdong | Roh | Ewha Womans University | South Korea | Laser Physics | Optoelectronic materials | Best Researcher Award | |
| Prof | Kyle | Jiang | Yangtze Delta Region Institute of Tsinghua University / University of Birmingham | China | Thermodynamics and Statistical Mechanics | Micro Gas Turbines | Research Excellence Award | View Profile |
| Prof | Lafy | Al-Badry | University of Thi-qar | Iraq | Molecular Physics | Bio gas sensors | Best Researcher Award | |
| Dr | Lalu Muhammad | Irham | Universitash Ahmad Dahlan | Indonesia | Others | Genomic and Pharmacogenomic | Best Researcher Award | |
| Ms | Lamiya | Balayeva | Baku State University | Azerbaijan | Condensed Matter Physics | Semiconductor physics | Young Scientist Award | View Profile |
| Dr | Latif Ullah | Khan | Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME) | Jordan | Atomic and Molecular Spectroscopy | X-ray Absorption Spectroscopy | Best Researcher Award | View Profile |
| Dr | Latif Ullah | Khan | Synchrotron-light for Experimental Science and Applications in the Middle East | Jordan | Atomic and Molecular Spectroscopy | X-ray Emission Optical Luminescence | Innovation in Molecular Spectroscopy Award | View Profile |