| Dr | Lichao | Xia | Sun Yat-sen University | China | Engineering | Environmental Engineering (Membrane modification and water purification) | Best Researcher Award | |
| Dr | Liberia | Dsouza | Goa Dental college and Hospital, Bambolim | India | Dentistry | Periodontology | Best Researcher Award | |
| Dr | Lesole | Kalake | National Department of Health | South Africa | Computer Science | Information and Communication Engineering | Best Research Article Award | citationawards.com |
| Dr | Leonid | Zotov | Novosiibirsk State Technical Universiti, NSTU | Russia | Energy | Суммирование мощности топливных элементов | Best Researcher Award | citationawards.com |
| Prof | Leonardo | Massone | University of Chile | Chile | Engineering | Structural Engineering | Best Researcher Award | |
| Assoc. Prof. Dr | LEKAN | AMUSAN | COVENANT UNIVERSITY | Nigeria | Environmental Science | BUILDING/CONSTRUCTION MANAGEMENT | Research Excellence Award | citationawards.com |
| Dr | Leila | Naderi | Sharif university of technology of tehran, iran | Iran | Chemistry | Electrochemistry | Best Researcher Award | citationawards.com |
| Prof Dr | LEI | WANG | China Three Gorges University | China | Economics, Econometrics and Finance | Global Value Chains; industrial upgrading | Most Cited Article Award | |
| Prof | Lei | Zhang | Sichuan University | China | Computer Science | Neural network methods of artificial intelligence and intelligent medicine | Best Researcher Award | citationawards.com |
| Dr | Lea | Daou | American University of Beirut Medical Center | Lebanon | Medicine and Dentistry | Psychiatry | Best Researcher Award | citationawards.com |
| Prof | Layla | Al-Omran | University of Basrah | Iraq | Environmental Science | Environmental Chemistry and Pollution | Best Researcher Award | |
| Dr | Laxmi | Tiwari | Icahn School of Medicine at Mount Sinai | United States | Chemistry | Nanochemistry, Medicinal chemistry, Antimicrobial and Antioxidant | Best Research Article Award | citationawards.com |
| Prof | Laura | Silvestroni | ISSMC | Italy | Materials Science | Ceramic materials | Best Researcher Award | |
| Dr | Latif Ullah | Khan | Synchrotron-light for Experimental Science and Applications in the Middle East (SESAME) | Jordan | Chemistry | X-ray Absorption Spectroscopy | Best Researcher Award | citationawards.com |
| Assist. Prof. Dr | Larisa Marina Elisabeth | Chirigiu | Universitatea de Medicina si Farmacie Craiova | Romania | Pharmacology, Toxicology and Pharmaceutical Science | Pharmacy | Best Research Article Award | citationawards.com |
| Dr | Larisa | Garcia-Ramonda Estevez | Universitat Politècnica de Catalunya | Spain | Engineering | Construction Engineering | Most Reader's Article Award | |
| Dr | Lan | Zhao | Stanford University | United States | Agricultural and Biological Sciences | Bioinformatics | Best Researcher Award | |
| Prof | Lan | Zhao | Stanford University | China | Medicine and Dentistry | Division of Pulmonary, Allergy & Critical Care Medicine | Best Researcher Award | |
| Dr | Lan | Wang | SINH | China | Biochemistry, Genetics and Molecular Biology | Cancer | Best Researcher Award | citationawards.com |
| Mr | LAKSHMINARAYANA | KODAVALI | PUDUCHERRY TECHNOLOGICAL UNIVERSITY | India | Computer Science | Machine Learning | Best Researcher Award | |