| Assist Prof Dr | Leticia | Fröhlich Archangelo | University of Sao Pauo | Brazil | Others | Cell Biology | Best Researcher Award | |
| Prof Dr | Letizia | Verdolotti | Consiglio Nazionale delle Ricerche | Italy | Operational research | Ente di Ricerca, CNR, Istituto per I Polimeri, Compositi e Biomateriali | Women Researcher Award | |
| Assist Prof Dr | Leyla | Amiri | Sherbrooke university | Canada | Fluid mechanics | Fluid flow in porous media | Best Researcher Award | |
| Mr | Li | Ma | chang'an university | China | Computer aided machine design | Autonomous car motion sickness | Best Researcher Award | |
| Assoc. Prof. Dr | Li | Wang | Xi'an Jiaotong University | China | Manufacturing processes | Additive manufacturing | Best Researcher Award | View Profile |
| Dr | Liang | Guo | China University of Petroleum (East China) | China | Heat transfer | Thermoacoustic imaging | Best Innovation Award | |
| Prof. Dr | Liang | Liu | School of Materials Science and Engineering | China | Materials selection and structural design | Materials Design and Manufacturing | Best Researcher Award | View Profile |
| Mr | Liguo | Tan | Harbin Institute of Technology | China | Robotics | Intelligent control; Positioning and navigation; Dynamic task planning | Best Researcher Award | |
| Assist. Prof. Dr | Lihua | Hu | China University of Mining and Technology | China | Materials selection and structural design | Compressed air energy storage (CAES); Rock mechanics and rock Engineering | Research Excellence Award | View Profile |
| Ms | LIJA | R L | KCG COLLEGE OF TECHNOLOGY | India | Materials selection and structural design | sustainable materials | Women Researcher Award | |
| Prof | Lijun | Yang | North China Electric Power University | China | Heat transfer | Computational Heat and Mass Transfer | Best Researcher Award | View Profile |
| Dr | Lisa | Sarkar | Indian Institute of Technology Kharagpur | India | Others | Energy Harvesting, Gas sensing, Piezoelectric transducer | Best Researcher Award | View Profile |
| Assoc Prof Dr | Liu | Jingyi | The 54th Research Institute of China Electronics Technology Group Corporation | China | Others | Big Data and Intelligent Application | Best Researcher Award | |
| Dr | Liudmyla | Kozeko | M.G. Kholodny Institute of Botany, NAS of Ukraine | Ukraine | Others | Plant Biology | Best Researcher Award | |
| Dr | Liufu | Liufu | Shanghai Ocean University | China | Others | microalgae | Best Researcher Award | |
| Mrs | Liza | Smit | Proconics | South Africa | Others | Loss prevention | Outstanding Scientist Award | |
| Assoc Prof Dr | Lobat | Taghavi | Science and Research Branch, Islamic Azad University, Tehran, IRAN | Iran | Quality control | Environmental Pollution | Best Researcher Award | |
| Mr | Longxin | Zhang | Hunan University of Technology | China | Computer technology for design and simulation | Deep learning | Best Researcher Award | View Profile |
| Dr | Lorenzo | Giannini | ENEA | Italy | Design of mechanical and electromechanical devices | Progettazione di magneti superconduttori per reattori a fusione nucleare di tipo tokamak | Best Researcher Award | |
| Assist Prof Dr | Lorenzo | Ricciardi Celsi | Insoore | Italy | Intelligent control systems | AI and control | Best Researcher Award | |