| Dr | Lucy | Donegan | Universidade Federal da Paraíba | Brazil | Engineering | Architecture and Urbanism | Best Researcher Award | youngscientistawards.com |
| Ms | Lucrezia Cuen | Paxson | Washington State University | United States | Other | Interdisciplinary Project Based Learning | Best Researcher Award | |
| Ms | Lucky | Saikia | Centre of Plasma Physics - Institute for Plasma Research | India | Physics | Plasma Physics | Best Researcher Award | youngscientistawards.com |
| Dr | Luciano | Maria | São Paulo State University Faculty of Agrarian and Veterinary Science | Brazil | Environmental Science | Emission of greenhouse gases from the soil to the atmosphere | Best Researcher Award | |
| Mr. | LUCA | ZANNINI | UniMoRe | Italy | Engineering | Hydrogen Fuel Cells | Young Researcher Award | youngscientistawards.com |
| Prof Dr | Ľubomír | Švorc | Slovak University of Technology in Bratislava | Slovakia | Chemistry | Analytical Chemistry | Best Researcher Award | |
| Assist. Prof. Dr | Lu | Qin | Penn State College of Medicine | United States | Medicine and Dentistry | Physiology | Best Researcher Award | youngscientistawards.com |
| Ms | Lu | Yin | Sichuan University | China | Social Sciences | Public administration,Politics | Best Researcher Award | youngscientistawards.com |
| Dr | Lourdes | Gil Cardeza | CONICET-UNR | Argentina | Agricultural and Biological Sciences | arbuscular mycorrhiza; Living soil; Agroecologý | Best Researcher Award | |
| Ms | Loshini | Pillay | University of South Africa | South Africa | Environmental Science | Environmental management | Best Researcher Award | |
| Dr | Lorenzo | Ciletti | University of Southampton | Italy | Social Sciences | Education | Young Scientist Award | |
| Assoc. Prof. Dr | Long | Li | Qingdao University of Technology | China | Engineering | Technological Innovation; Digital Transformation; Infrastructure Sustainability | Young Scientist Award | |
| Assist Prof Dr | LOKENDRA | SINGH | KONERU LAKSHMAIAH EDUCATION FOUNDATION | India | Engineering | OPTICAL FIBER SENSORS | Best Researcher Award | |
| Mr | Logeshwaran A | | Vellore Institute of Technology (VIT-Vellore) | India | Materials Science | Additive manufacturing, Material characterization, Tissue engineering | Young Scientist Award | |
| Mr | Loay | Aladib | University of Wollongong | Australia | Computer Science | Information Sciences, Distributed systems, Runtime Verification, Stream Processing, Linear Temporal Logic, Real-Time Monitoring, Reusable LTL Patterns, Apache Spark, Scalability | Young Scientist Award | youngscientistawards.com |
| Assoc. Prof. Dr | Lixin | Qiao | Qingdao Institute of BioEnergy and Bioprocess Technology, Chinese Academy of Sciences | China | Energy | Lithium batteries | Young Scientist Award | youngscientistawards.com |
| Mrs | Liu | Zhen | Xiamen university | China | Chemistry | Analytical Chemistry | Young Scientist Award | |
| Prof | Liu | Yaobin | Nan Chang University | China | Environmental Science | environmental governance;Regional Sustainable Development | Best Researcher Award | |
| Prof. Dr | Liu | Yang | Xi'an University of Architecutre and Technology | China | Engineering | Green Building | Best Researcher Award | |
| Assist Prof Dr | Liqiang | Zhou | University of Macau | China | Materials Science | Biomaterials | Young Scientist Award | youngscientistawards.com |