| Assist Prof Dr | Kwangdong | Roh | Ewha Womans University | South Korea | Laser Physics | Optoelectronic materials | Best Researcher Award | |
| Prof | Kyle | Jiang | Yangtze Delta Region Institute of Tsinghua University / University of Birmingham | China | Thermodynamics and Statistical Mechanics | Micro Gas Turbines | Research Excellence Award | View Profile |
| Prof | Lafy | Al-Badry | University of Thi-qar | Iraq | Molecular Physics | Bio gas sensors | Best Researcher Award | |
| Dr | Lalu Muhammad | Irham | Universitash Ahmad Dahlan | Indonesia | Others | Genomic and Pharmacogenomic | Best Researcher Award | |
| Ms | Lamiya | Balayeva | Baku State University | Azerbaijan | Condensed Matter Physics | Semiconductor physics | Young Scientist Award | View Profile |
| Dr | Latif Ullah | Khan | Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME) | Jordan | Atomic and Molecular Spectroscopy | X-ray Absorption Spectroscopy | Best Researcher Award | View Profile |
| Dr | Latif Ullah | Khan | Synchrotron-light for Experimental Science and Applications in the Middle East | Jordan | Atomic and Molecular Spectroscopy | X-ray Emission Optical Luminescence | Innovation in Molecular Spectroscopy Award | View Profile |
| Dr | Laure | Gouba | Abdus Salam International Centre for Theoretical Physics (ICTP), Trieste, Italy | Italy | Mathematical Physics | Quantum physics | Best Researcher Award | View Profile |
| Prof | Laurent | COUNILLON | Université Côte d'Azur | France | Others | Biophysics and Biochemistry | Best Researcher Award | |
| Mr | Laxman | Mandal | Indian Institute of Technology Madras | India | Optical Physics | Optical Metrology | Best Researcher Award | |
| Dr | Le | Bach | Seoul national university of science and technology | South Korea | Solid-State Physics | Semiconductor packaging | Best Researcher Award | View Profile |
| Assoc Prof Dr | Leandra | Franciscato Campo | Universidade Federal do Rio Grande do Sul | Brazil | Atomic and Molecular Spectroscopy | Organic Chemistry, Synthesis of Fluorescent Dyes, ESIPT dyes,Materials Chemistry, Organic-Inorganic Hybrids, Fluorescent Polymers and Materials, Organic Photochemistry | Women Researcher Award | View Profile |
| Mr | Leandro | Paes de Brito | Federal University of Pernambuco | Brazil | Biophysics | Biochemistry | Best Researcher Award | View Profile |
| Prof | Lei | Zhu | School of Computer and Control Engineering, Qiqihar University | China | Electromagnetism | electromagnetic and optical metamaterials, metasurfaces holographic, multi-dimensional information encryption, microwave antenna and devices | Best Researcher Award | View Profile |
| Prof. Dr | Lei-Lei | Nian | Yunnan University | China | Quantum Optics | Quantum transport and statistics; Quantum phase transition; | Best Researcher Award | View Profile |
| Prof | LEONARDO | DOS SANTOS LIMA | Federal Center for Technological Education of Minas Gerais | Brazil | Quantum Information Science | Theoretical Condensed Matter Physics | Outstanding Scientist Award | |
| Prof. Dr | Leonardo | Fortes | Federal University of Paraíba | Brazil | Biophysics | Sport Science | Best Researcher Award | View Profile |
| Dr | Lesia | Dubchak | West Ukrainian National University | Ukraine | Relativity | Energies | Research Excellence Award | View Profile |
| Prof | Leslie | Glasser | Curtin University | Australia | Solid-State Physics | Thermochemistry | Best Researcher Award | View Profile |
| Prof | Lewis | Antill | Sungkyunkwan University | South Korea | Biophysics | Quantum biology | Best Researcher Award | View Profile |