| Prof. Dr | Lisha | Xie | Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences | Taiwan | Chemical Engineering | perovskite solar cells | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Liu | Jinxian | Shanxi University | China | Ecology and Conservation | Microbial ecology | Best Researcher Award | View Profile |
| Mrs | Livia | Marques Faustino | Clariant | Brazil | Environmental and Sustainable Materials | Mineral Processing | Best Researcher Award | View Profile |
| Prof | Loren | Babcock | The Ohio State University | United States | Earth and Planetary Sciences | Geology and Paleontology | Best Researcher Award | View Profile |
| Dr | Lu | Jin | Beijing Tiantan Hospital, Capital Medical University | China | Cognitive Science | Hypothalamic functional connectivity | Best Researcher Award | View Profile |
| Dr | Luca | Pallotti | Università politecnica delle Marche | Italy | Agricultural and Biological Sciences | viticulture | Best Researcher Award | View Profile |
| Dr | Lúcia | Pombo | University of Aveiro, CIDTFF | Portugal | Social Sciences | Mobile augmented reality educational games | Best Researcher Award | View Profile |
| Dr | Lucia Camelia | Pirvu | National Institute of Chemical Pharmaceutical R&D, Bucharest, ROMANIA | Romania | Environmental Science | Ecological alternatives to synthetic pesticides | Best Researcher Award | View Profile |
| Dr | Luciano | De Pau | Agris Sardegna | Italy | Agricultural and Biological Sciences | Biodiversity | Best Researcher Award | View Profile |
| Prof. Dr | Luciano | Dib | Ubiversidade Paulista | Brazil | Dentistry | Maxilofacial surgery | Best Researcher Award | View Profile |
| Dr | Luis | Hernandez Encinas | Spanish National Research Council | Spain | Cybersecurity and Cryptography | Asymmetric Cryptography and Post-Quantum Cryptography | Best Researcher Award | View Profile |
| Dr | Luis | Hernández Álvarez | Consejo Superior de Investigaciones Científicas | Spain | Cybersecurity and Cryptography | Ciberseguridad y Criptografía | Best Research Article Award | View Profile |
| Dr | Luis Carlos | Sandoval Herazo | Instituto Tecnológico Superior de Misantla | Mexico | Environmental Science | Sanitation and environment | Best Researcher Award | View Profile |
| Dr | Łukasz | Brodzik | Poznań University of Technology | Poland | Renewable Energy Technologies | Hydrogen, Miniature Turbojet Engine, Heat Exchange, Exhaust Emission | Best Researcher Award | View Profile |
| Prof | Lukhanyo | Mekuto | University of Johannesburg | South Africa | Environmental Science | Environmental Biotechnology and Bioremediation | Excellence in Research Award | View Profile |
| Dr | Luxiang | Ma | Chengdu University of Technology | China | Chemistry and Materials Science | Separation and extraction of salt lake resources | Best Researcher Award | View Profile |
| Mrs | LUZ | ANDIA | LABORATORIOS ROXFARMA | Peru | Chemical Engineering | PROCESOS | Young Scientist Award | View Profile |
| Prof. Dr | Lwin | Saing | Ministry of Higher Education,Myanmar | Myanmar | Others | Wild plant taxonomy and evolution | Best Researcher Award | View Profile |
| Prof | Maather | Alrawi | King Abdulaziz University | Saudi Arabia | Others | Linguistics | Best Researcher Award | View Profile |
| Dr | Madalin Ion | RUSU | National Institute of R&D for Optoelectronics INOE 2000 | Romania | Renewable Energy Technologies | Power Supply | Best Researcher Award | View Profile |