| Mr | José | Lourenço | Centre of Molecular and Environmental Biology (CBMA), Institute of Science and Innovation for Bio-Sustainability (IB-S) | Portugal | Environmental Science | Ecology | Young Scientist Award | |
| Dr | Luis | Loureiro | Centre of Biological Engineering - University of Minho | Portugal | Agricultural and Biological Sciences | Biological Engineering | Young Scientist Award | |
| Ms | Fadoua | Louglali | Industrial and Surface Engineering Laboratory, Bioprocess and Biointerfaces Team. Faculty of Sciences and Techniques Beni-Mellal (FSTBM), Morocco | Morocco | Agricultural and Biological Sciences | Medical Microbiology | Best Researcher Award | youngscientistawards.com |
| Dr | Lijie | Lou | Guangzhou Sport University | China | Social Sciences | Sport Science | Best Researcher Award | youngscientistawards.com |
| Ms | Theopista | Lotto | Ifakara Health Institute | Tanzania | Health Professions | Pharmacy | Women Researcher Award | youngscientistawards.com |
| Dr | Romano | Lottering | University of KwaZulu-Natal | South Africa | Environmental Science | Remote Sensing | Best Researcher Award | |
| Prof Dr | Khaled | Lotfy | Zagazig university | Egypt | Mathematics | Applied Mathematics | Best Researcher Award | |
| Assoc Prof Dr | Nasrin | Lotfibakhshaiesh | Tehran University of Medical Sciences | Iran | Other | Bone tissue Engineering | Best Researcher Award | youngscientistawards.com |
| Dr | Reza | Lotfi | Behineh Gostar Sanaye Arman | Iran | Engineering | Industrial engineering | Best Researcher Award | |
| Mr | Gonzalo | Lopez Garrido | Polytechnic University of Madrid | Spain | Social Sciences | Urban Studies | Best Researcher Award | |
| Mrs | Lauren | Loop | Allergy & Asthma Medical Group and Research Center/UCSD | United States | Medicine and Dentistry | Allergy and Immunology | Best Researcher Award | youngscientistawards.com |
| Dr | Ashish | Loomba | UNICAMP | Brazil | Engineering | Petroleum Engineering and Geosciences | Best Researcher Award | |
| Dr | Michela | Longhi | Niccolò Cusano University | Italy | Engineering | Metamaterials | Best Researcher Award | youngscientistawards.com |
| Assist Prof Dr | Jean-Francois | Longevial | University of Lorraine | France | Chemistry | Organic / Organometallic / pi-systems / carbene | Young Scientist Award | |
| Dr | RAFIQ | LONE | Central university of Kashmir | India | Agricultural and Biological Sciences | Plant Sciences | Best Researcher Award | |
| Mr | RAYES AHMAD | LONE | IUST Awantipora | India | Engineering | Electrical Engineering, Renewables | Best Researcher Award | youngscientistawards.com |
| Dr | DEEPAK | LOKWANI | Rajarshi Shahu college of Pharmacy, Buldhana, Maharashtra | India | Pharmacology, Toxicology and Pharmaceutical Science | Pharmaceutical Chemistry | Best Researcher Award | |
| Assoc Prof Dr | Weena | Lokuge | University of Southern Queensland | Australia | Engineering | Civil Engineering | Best Researcher Award | |
| Assist. Prof. Dr | Kris Yuet Wan | Lok | University of Hong Kong | China | Nursing and Health Professions | Maternal and child health | Best Researcher Award | |
| Dr | Gaurav | Lohar | Lal Bahadur Shastri College of Arts, Science and Commerce, Satara | India | Physics and Astronomy | Materials Science and Energy | Best Researcher Award | |