| Dr | Leonie | Keidel | Department of Ophthalmology, Ludwig Maximilian University Munich | Germany | Medicine and Dentistry | Ophthalmology | Best Researcher Award | View Profile |
| 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 | View Profile |
| Assoc. Prof. Dr | Lenka | Bobulska | University of Prešov, Faculty of Humanities and Natural Sciences, Department of Ecology | Slovakia | Environmental Science | Ecology | Best Researcher Award | View Profile |
| Dr | Lenah | Mukhtar | SFDA | Saudi Arabia | Biochemistry, Genetics and Molecular Biology | AMR | Best Researcher Award | View Profile |
| Dr | Leila | Dal Moro | Faculdade Atitus Educação | Brazil | Social Sciences | Gestão Sustentabilidade | Best Research Award | View Profile |
| Mrs | Leila | Pasandi | Northumbria University | United Kingdom | Engineering | Mechanical Engineering/ Building Science | Best Researcher Award | View Profile |
| Dr | Lei | Lei | Hunan University of Science and Engineering | China | Earth and Planetary Sciences | Global atmospheric circuit | Research Excellence Award | View Profile |
| Dr | Leelavathi | Harikrishnan | Chennai Institute of Technology | India | Chemistry | Inorganic chemistry/Advanced nanomaterials/Wastewater treatment | Young Scientist Award | View Profile |
| Prof | Leandro | Rocha | Federal University of São Carlos (UFSCar) | Brazil | Materials Science | Semiconductors | Best Researcher Award | View Profile |
| Prof | Laura-Mariana | Cismaș | West University of Timisoara | Romania | Energy | Energy Economics | Best Researcher Award | View Profile |
| Prof. Dr | Laura | Bulgariu | Gheorghe Asachi Technical University of Iasi | Romania | Environmental Science | Environemntal remediation | Best Researcher Award | View Profile |
| Dr | Laura | Castro Santos | Universidade da Coruña | Spain | Engineering | Offshore renewable energies | Best Researcher Award | View Profile |
| Dr | Laura | Cerchia | Institute of Endotypes in Oncology, Metabolism and Immunology “G. Salvatore”, National Research Council | Italy | Other | translational cancer research | Best Researcher Award | View Profile |
| Dr | Laura | Garriga-Grimau | Hospital Universitari Vall d'Hebron | Spain | Medicine and Dentistry | Paediatric Pulmonology (Paediatric Bronchiectasis) | Best Researcher Award | View Profile |
| Assist. Prof. Dr | Laura | Machin Galarza | Institute of Pharmacy and Foods, University of Havana | Cuba | Pharmacology, Toxicology and Pharmaceutical Science | Parasitología, Leishmania, endoperoxides | Young Scientist Award | View Profile |
| Mrs | Lamiae | Talha | Sidi Mohammed Ben Abdellah University | Morocco | Materials Science | Soft Matter | Best Researcher Award | View Profile |
| Ms | Lala | Gahramanli | Baku State University/Nano Research Laboratory | Azerbaijan | Materials Science | Physics/Material Science/Nanomaterials | Best Research Article Award | View Profile |
| Assist. Prof. Dr | Lakshmi | Devaraj | PSG College of Arts and Science | India | Materials Science | Materials for Energy Storage | Best Review Article Award | View Profile |
| Dr | Ladislav | Karrach | Technical University in Zvolen | Slovakia | Computer Science | Computer Vision, Image Processing | Best Researcher Award | View Profile |