| Dr | Madhavi | Vemula | BVRIT HYDERABAD College of Engineering for Women | India | Environmental Chemistry | Best Researcher Award | View Profile |
| Mr | Lutfar | Rana | Bangladesh Army International University of science and technology | Bangladesh | Structural Engineering | Best Researcher Award | View Profile |
| Dr | Luiz | Oliveira | CEPETRO/Unicamp | Brazil | Sustainable Development | Best Researcher Award | |
| Mr | Luis | Blanco | Deutsches Zentrum für Luft- und Raumfahrt e.V | Germany | Sustainable Development | Best Researcher Award | |
| Mr | Luis | Segovia Guerrero | Cádiz University | Spain | Materials Science and Engineering | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Luigi | Montano | Local Health Authority Salerno | Italy | Environmental Risk Assessment | Best Researcher Award | View Profile |
| Assoc. Prof. Dr | Lucian | Lupu-Dima | University of Petrosani | Romania | Environmental Risk Assessment | Environmental Impact Reduction Award | View Profile |
| Dr | Lucia | Ferrari | University of Bologna | Italy | Materials Science and Engineering | Best Researcher Award | View Profile |
| Prof | Lucas David | Galvani | Faculty of Dentistry of Araraquara Julio de Mesquita Filho/ Unesp FOAr | Brazil | Materials Science and Engineering | Young Scientist Award | View Profile |
| Mr | Lucas | Brunel | ONERA | France | Others | Best Paper Award | View Profile |
| Dr | Loretta | Bortey | National highways/ Birmingham City University | United Kingdom | Risk and Resilience Engineering | Young Scientist Award | View Profile |
| Dr | Lorenzo | Giannuzzo | Politecnico di Torino | Italy | Sustainable Development | Young Scientist Award | View Profile |
| Prof | Longwei | Chen | Institute of Energy, Hefei Comprehensive National Science Center (Anhui Energy Laboratory) | China | Sustainable Development | Excellence in Innovation Award | View Profile |
| Dr | Longinus | Ezema | Federal University of Technology, Owerri | Nigeria | Others | Best Researcher Award | View Profile |
| Dr | Logesh | Natarajan | National Centre for Coastal Research | India | Others | Best Researcher Award | |
| Ms | liwen | zhang | Chang'an University | China | Others | Best Researcher Award | View Profile |
| Prof. Dr | Liqiang | Zou | Nanchang University | China | Industrial Ecology | Best Researcher Award | View Profile |
| Dr | Linnan | Bi | University of Electronic Science and Technology of China | China | Materials Science and Engineering | Best Researcher Award | View Profile |
| Dr | Ling-Chieh | Kung | National Taiwan University | Taiwan | Others | Research Excellence Award | View Profile |
| Assoc. Prof. Dr | Linbo | Qian | Institute of Soil Science, Chinese Academic Sciences | China | Environmental Chemistry | Best Researcher Award | View Profile |