| Assoc. Prof. Dr | Lubomir | Traikov | Dept. Medical Physics and Biophysics; Faculty of Medicine; Medical University-Sofia | Bulgaria | Weak Interactions | Biophysics | Best Researcher Award | View Profile |
| Mr | Lu | Zhang | EnerTech-Drilling&Production Co., China National Offshore Oil Corporation | China | Engineering | Conventional and Unconventional Oil and Gas Development | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Lu | Wang | City University of Hong Kong | Hong Kong | Machine Learning in Physics | Additive Manufacturing | Research Excellence Award | View Profile |
| 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 | View Profile |
| Dr | Liping | Gong | UOW | Australia | Engineering | Mechanical engineering | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Limor | Raviv | Max Planck Institute for Psycholinguistics | Netherlands | Psychology | Gender studies, Linguistics | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Likan | Zhan | Beijing Language and Culture University | China | Psychology | reasoning | Best Researcher Award | View Profile |
| Prof. Dr | Lijun | You | South China University of Technology | China | Engineering | Food Science and Technology | Best Researcher Award | View Profile |
| Prof | Lijun | Luan | Chang'an University | China | Experimental Methods | Materials Science | Research Excellence Award | View Profile |
| Prof | Lijuan | Li | Nanjing Tech University | China | Computer Science and Artificial Intelligence | Complex process simulation and prediction | Best Researcher Award | View Profile |
| Prof | LiangJian | Zou | Institute of Solid State Physics, HFIPS, Chinese Academy of Sciences | China | Quantum Science | Condensed Matter Physics | Excellence in Research | View Profile |
| Dr | Leyu | Wang | Goerge Mason University | United States | Engineering | Material Modeling, Lithium-ion Battery | Research Excellence Award | View Profile |
| Prof | Levent | Trabzon | Istanbul Teknik University | Turkey | Engineering | Materials and Nanofabrication | Best Researcher Award | View Profile |
| Prof. Dr | Lev | Eppelbaum | Tel Aviv University | Israel | Experimental Methods | Geophysics | Research Excellence Award | View Profile |
| Assoc. Prof. Dr | Lesia | Dubchak | West Ukrainian National University | Ukraine | Computer Science and Artificial Intelligence | Smart Optimization and Renewable Integrated Energy System | Women Researcher Award | View Profile |
| Prof. Dr | Leonardo | dos Santos Lima | Federal Education Center Technological of Minas Gerais, Belo Horizonte | Brazil | Interactions and Fields | Particle Physics | Best Researcher Award | View Profile |
| Prof. Dr | Leonardo | dos Santos Lima | Federal Center for Technological Education of Minas Gerais | Brazil | High Energy Physics | Theoretical Condensed Matter Physics | Best Researcher Award | View Profile |
| Prof. Dr | Leonardo | Roever | Universidade de São Paulo | Brazil | Others | Ciências da Saúde | Distinguished Scientist Award | View Profile |
| Dr | Leigh | WARDHAUGH | CSIRO (retired) | Australia | Engineering | mass transfer, fluid mechanics | Best Researcher Award | View Profile |
| Prof | Lei | Liu | Zhejiang University | China | Engineering | Wireless Communications | Best Researcher Award | View Profile |