| Assoc. Prof. Dr | Longxiang | Liu | 中国科学院上海高等研究院 | China | Nuclear Physics | Photonuclear Physics | Excellence in Innovation | physicistparticle.com |
| Dr | Liping | Gong | UOW | Australia | Engineering | Mechanical engineering | Best Researcher Award | physicistparticle.com |
| Assist. Prof. Dr | Limor | Raviv | Max Planck Institute for Psycholinguistics | Netherlands | Psychology | Gender studies, Linguistics | Best Researcher Award | physicistparticle.com |
| Assist. Prof. Dr | Likan | Zhan | Beijing Language and Culture University | China | Psychology | reasoning | Best Researcher Award | physicistparticle.com |
| Prof. Dr | Lijun | You | South China University of Technology | China | Engineering | Food Science and Technology | Best Researcher Award | physicistparticle.com |
| Prof | Lijuan | Li | Nanjing Tech University | China | Computer Science and Artificial Intelligence | Complex process simulation and prediction | Best Researcher Award | physicistparticle.com |
| Prof | LiangJian | Zou | Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences | China | Quantum Science | Condensed Matter Physics | Excellence in Research | physicistparticle.com |
| Dr | Leyu | Wang | Goerge Mason University | United States | Engineering | Material Modeling, Lithium-ion Battery | Research Excellence Award | physicistparticle.com |
| Prof | Levent | Trabzon | Istanbul Teknik University | Turkey | Engineering | Materials and Nanofabrication | Best Researcher Award | physicistparticle.com |
| Prof. Dr | Lev | Eppelbaum | Tel Aviv University | Israel | Experimental Methods | Geophysics | Research Excellence Award | physicistparticle.com |
| Prof. Dr | Leonardo | dos Santos Lima | Federal Education Center Technological of Minas Gerais, Belo Horizonte | Brazil | Interactions and Fields | Particle Physics | Best Researcher Award | physicistparticle.com |
| Prof. Dr | Leonardo | Roever | Universidade de São Paulo | Brazil | Others | Ciências da Saúde | Distinguished Scientist Award | physicistparticle.com |
| Dr | Leigh | WARDHAUGH | CSIRO (retired) | Australia | Engineering | mass transfer, fluid mechanics | Best Researcher Award | physicistparticle.com |
| Prof | Lei | Liu | Zhejiang University | China | Engineering | Wireless Communications | Best Researcher Award | physicistparticle.com |
| Mr | Lei | Zhao | 陇东学院 | China | Experimental Methods | New energy materials and devices | 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 |
| Dr | Lakshmi Prasanna | K | BITS Pilai | India | Engineering | Electrical | Best Researcher Award | physicistparticle.com |
| Mr | Lakshakoti | Bochu | National Institute of Technolgy | India | Engineering | Energy harvesting and Sensing | 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 |
| 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 |