| Mr | Laurent Cabrel | TABUEU FOTSO | University of Dschang | Cameroon | Computer Science | Intelligence Artificial / Data mining | Best Researcher Award | |
| Mr | LAXMAN | DURGAM | UNIVERSITY OF HYDERABAD | India | Chemistry | Protein Chemistry | Best Researcher Award | |
| Dr | LAXMIKANT | YADAV | NATIONAL INSTITUTE OF TECHNOLOGY HAMIRPUR HIMACHAL PRADESH | India | Engineering | Refrigeration & Air Conditioning, Desiccant Dehumidification, Trigeneration and Poly Generation Systems | Best Researcher Award | |
| Assoc. Prof. Dr | lazhar | manai | Higher Institute Of Information and communication Technologies Of borj Cedria | Tunisia | Energy | Artificial Intelligence for Energy | Best Researcher Award | youngscientistawards.com |
| Mr | Le Minh | Tran | Institute for Environment and Resources, Vietnam National University Ho Chi Minh City, Ho Chi Minh City, Vietnam | Vietnam | Environmental Science | Microplastic | Best Researcher Award | |
| Mr | Le Tung | Vu | University of Wollongong | Australia | Engineering | Biomechanical Sensor | Best Researcher Award | youngscientistawards.com |
| Mr | Le-Em | Huynh | National Central University | Taiwan | Engineering | Civil Engineering | Best Researcher Award | |
| Ms | Lea Janine | Gajardo | Western Philippines University | Philippines | Environmental Science | Social science | Best Researcher Award | |
| Mr | Leandro | Bergami | University of São Paulo | Brazil | Engineering | Wear | Best Researcher Award | |
| Dr | Lee | Mackenzie | Liverpool Hope University | United Kingdom | Arts and Humanities | Education | Best Researcher Award | youngscientistawards.com |
| Mr | Lehlogonolo | Tabana | University of Pretoria | South Africa | Chemical Engineering | Water Remediation | Young Scientist Award | |
| Dr | Lei | Hou | Harbin Institute of Technology | China | Engineering | Intelligent fault diagnosis | Young Scientist Award | |
| Dr | Lei | Ren | Nantong university | China | Engineering | Condition monitoring of power electronic devices | Best Researcher Award | youngscientistawards.com |
| Ms | Leijie | Qiao | Shanxi Universty | China | Mathematics | Computational Mathematics | Best Researcher Award | |
| Dr | Leila | Amiri | York University | Canada | Mathematics | Infectious disease modeling | Women Researcher Award | |
| Dr | Leila | mousavi | Tehran University | Iran | Health Professions | Sports and Athletic activity | Best Researcher Award | youngscientistawards.com |
| Dr | leila | zandi | tehran university | Iran | Social Sciences | immigration | Best Researcher Award | youngscientistawards.com |
| Ms | leili | Abdi | Tehran University of Medical scince | Iran | Agricultural and Biological Sciences | Food science | Young Scientist Award | |
| Mr | Lemekezani | Chilora | MwAPATA Institute | Malawi | Economics, Econometrics and Finance | Agriculture economics | Young Scientist Award | youngscientistawards.com |
| Dr | Lerato | Seleteng-Kose | National University of Lesotho | Lesotho | Agricultural and Biological Sciences | Botany | Best Researcher Award | |