| Dr | Kentaro | Saeki | SEED Co., Ltd. | Japan | Experimental Methods | Visual Optics | Best Researcher Award | physicistparticle.com |
| Dr | KEUMO TSIAZE | Roger Magloire | University of Yaoundé I | Cameroon | Interactions and Fields | Phase transitions and critical phenomena | Best Researcher Award | physicistparticle.com |
| Dr | Khairul | Habib | Universiti Teknologi Petronas | Malaysia | Engineering | Thermofluids, Nanofluid enhanced Heat Transfer, Thermal Energy Storage | Best Researcher Award | physicistparticle.com |
| Dr | Khushboo | Singh | University of Technology Sydney | Australia | Engineering | Electrical and Electronics Engineering | Best Researcher Award | physicistparticle.com |
| Assist. Prof. Dr | Kifle | Duguma | Addis Ababa Science and Technology University | Ethiopia | Computational Methods | Applied Mathematics (Computational Fluid Dynamics, Nanofluid Flow, Nuclear Physics) | Best Researcher Award | physicistparticle.com |
| Dr | Kiran | Jyoti | Guru Nanak Dev Engineering College, Ludhiana | India | Engineering | Data Analytics | Best Researcher Award | physicistparticle.com |
| Prof | Kishore Singh | Patel | National Institute of Technology Rourkela | India | Engineering | Cryogenics, nanoparticles | Best Researcher Award | physicistparticle.com |
| Assoc. Prof. Dr | Kods | Oueslati | IPEIB | Tunisia | Quantum Science | Statistical physics | Women Researcher Award | physicistparticle.com |
| Assoc. Prof. Dr | Krishna Pada | Das | Mahadevananda Mahavidyalaya | India | Mathematics | Epidemiology | Best Researcher Award | physicistparticle.com |
| Dr | Kristina | Radinović | Faculty of Physical Chemistry | Serbia | Experimental Methods | Electroanalytical chemistry | Best Researcher Award | physicistparticle.com |
| Dr | Kriti | Tyagi | CSIR-National Physical Laboratory | India | Others | SNSPD | Best Researcher Award | physicistparticle.com |
| Assist. Prof. Dr | Kriti Ranjan | Sahu | Bhatter College, Dantan(Autonomous) | India | Experimental Methods | Material Science | Best Researcher Award | physicistparticle.com |
| Assoc. Prof. Dr | Krzysztof | Skrzypkowski | AGH University of Krakow Faculty of Civil Engineering and Resource Management Department of Mining Engineering and Occupational Safety | Poland | Earth and Planetary Sciences | Undergroung Mining | Best Researcher Award | physicistparticle.com |
| Dr | Kurban | Rabadanov | Harbin Institute of Technology | China | Physics and Astronomy | Plasma Physics | Best Researcher Award | physicistparticle.com |
| Prof. Dr | Kyosuke | Ono | Tokyo Institute of Technology (Presently Institute of Science Toky) | Japan | Standard Model Physics | Sub-monolayer lubricant physics in head-disk interface | Best Researcher Award | physicistparticle.com |
| Prof | Lahouari | Semlala | Oran's Higher School of Electrical and Energy Engineering (ESG2E) | Algeria | Quark Interactions | Exotic Resonance and Hybrid meson (https://onlinelibrary.wiley.com/doi/10.1155/2020/9105240) | Best Researcher Award | physicistparticle.com |
| Mr | Lakshakoti | Bochu | National Institute of Technolgy | India | Engineering | Energy harvesting and Sensing | Best Researcher Award | physicistparticle.com |
| Dr | Lakshmi Prasanna | K | BITS Pilai | India | Engineering | Electrical | Best Researcher Award | physicistparticle.com |
| Assoc. Prof. Dr | Laura | Celentano | University of Naples Federico II, Department of Electrical Engineering and Information Technology | Italy | Robotics and Automation | Prescribed-time practical robust control for engineering systems | Best Researcher Award | physicistparticle.com |
| Prof | Lei | Liu | Zhejiang University | China | Engineering | Wireless Communications | Best Researcher Award | physicistparticle.com |