| Dr | Leelavathi | Harikrishnan | Chennai Institute of Technology | India | Chemistry | Inorganic chemistry/Advanced nanomaterials/Wastewater treatment | Young Scientist Award | worldtopscientists.com |
| Dr | Lei | Lei | Hunan University of Science and Engineering | China | Earth and Planetary Sciences | Global atmospheric circuit | Research Excellence Award | worldtopscientists.com |
| Dr | Leila | Dal Moro | Faculdade Atitus Educação | Brazil | Social Sciences | Gestão Sustentabilidade | Best Research Award | worldtopscientists.com |
| Mrs | Leila | Pasandi | Northumbria University | United Kingdom | Engineering | Mechanical Engineering/ Building Science | Best Researcher Award | worldtopscientists.com |
| Dr | Lenah | Mukhtar | SFDA | Saudi Arabia | Biochemistry, Genetics and Molecular Biology | AMR | Best Researcher Award | worldtopscientists.com |
| Assoc. Prof. Dr | Lenka | Bobulska | University of Prešov, Faculty of Humanities and Natural Sciences, Department of Ecology | Slovakia | Environmental Science | Ecology | Best Researcher Award | worldtopscientists.com |
| Prof Dr | Leonardo | dos Santos Lima | Federal Center for Technological Education of Minas Gerais | Brazil | Physics and Astronomy | Theoretical Condensed Matter Physics | Best Researcher Award | |
| Dr | Leonardo | Mayorga | Unidad de diagnóstico e investigación en microbiología médica y enfermedades infecciosas. | Mexico | Immunology and Microbiology | Micología médica, Micobacterias | Best Researcher Award | worldtopscientists.com |
| Dr | Leonie | Keidel | Department of Ophthalmology, Ludwig Maximilian University Munich | Germany | Medicine and Dentistry | Ophthalmology | Best Researcher Award | worldtopscientists.com |
| Mrs | Leonor | Cónego | Faculty of Enginerring of University of Porto (FEUP) | Portugal | Other | Digital Media | Young Scientist Award | worldtopscientists.com |
| Mrs | Letícia | Kakuda | School of Pharmaceutical Sciences of Ribeirão Preto (FCFRP/USP) | Brazil | Pharmacology, Toxicology and Pharmaceutical Science | Cosmetic and phytopharmaceutical technology | Best Researcher Award | worldtopscientists.com |
| Prof | Lev | Eppelbaum | Tel Aviv University | Israel | Earth and Planetary Sciences | Geophysics | Best Research Article Award | worldtopscientists.com |
| Mr | Lewaa | Hmadeh | Norwegian University of Science and Technology | Norway | Engineering | Drilling Engineering | Best Researcher Award | worldtopscientists.com |
| Mrs | Liana | Mogilnikova | NUST MISIS | Russia | Materials Science | Hexafferite | Best Researcher Award | worldtopscientists.com |
| Assoc. Prof. Dr | Liang | Zhang | Sun Yat-sen University | China | Engineering | Aircraft navigation, guidance and control | Best Researcher Award | worldtopscientists.com |
| Mr | Liangyu | Hu | China University of Mining and Technology | China | Physics and Astronomy | Micro- and nanoflow, surface interface mechanics | Best Researcher Award | |
| Dr | Lifang | Guan | tianjin university of science and technology | China | Computer Science | Catalysis | Best Researcher Award | worldtopscientists.com |
| Ms | Liheng | Wu | Southeast University | China | Engineering | mechanical engineering | Best Paper Award | worldtopscientists.com |
| Prof. Dr | Lijuan | Li | Nanjing Tech University | China | Engineering | Process modeling and optimization | Best Researcher Award | worldtopscientists.com |
| Mrs | Lilyanne | Garcez | Federal University of Amazonas and São Paulo State University | Brazil | Engineering | Materials science and engineering | Women Researcher Award | worldtopscientists.com |