| Mr | LALIT | KUMAR | MNNIT Allahabad | India | Others | Best Researcher Award | |
| Dr | lanfeng | Li | School of Environment Studies, China University of Geosciences (Wuhan) | China | Environmental Engineering | Best Researcher Award | View Profile |
| Prof | László | Stachó | University of Szeged, Bolyi Institute | Hungary | Materials Science and Engineering | Best Academic Researcher Award | View Profile |
| Dr | Lauren | Lambert | Arizona State University | United States | Others | Best Researcher Award | View Profile |
| Dr | laurent | Coudeville | SANOFI VACCINES | France | Others | Best Researcher Award | View Profile |
| Dr | Lazaros | Neokosmidis | University of the Aegean | Greece | Environmental Modeling | Excellence in Research | View Profile |
| Dr | Le-Xi | Zhang | Tianjin University of Technology | China | Materials Science and Engineering | Best Researcher Award | View Profile |
| Prof | Lech | Bukowski | WSB University | Poland | Risk and Resilience Engineering | Research Excellence Award | View Profile |
| Dr | Leena | Awawdeh | Western sydney University | Australia | Others | Best Researcher Award | View Profile |
| Dr | Lei | Xu | China University of Geosciences (Wuhan) | China | Water Resources Engineering | Best Researcher Award | |
| Prof | Leijiao | Ge | Tianjin University | China | Others | Best Researcher Award | View Profile |
| Dr | Leili | Abolhassani | Environmental Change Institute/University of Oxford | United Kingdom | Others | Women Researcher Award | View Profile |
| Dr | Lekan Taofeek | Popoola | Afe Babalola University, Nigeria | Nigeria | Environmental Engineering | Outstanding Scientist Award | |
| Dr | Lele | WU | School of Civil Engineering, Tianjin Chengjian University | China | Structural Engineering | Research Excellence Award | View Profile |
| Mr | Lemewihbwen | Ngiamte George | Pan African University Life and Earth Sciences Institute (including Health and Agriculture), University of Ibadan | Nigeria | Others | Best Researcher Award | View Profile |
| Dr | Lenganji | Simwanda | Czech Technical University in Prague | Czech Republic | Structural Engineering | Young Scientist Award | View Profile |
| Dr | LETICIA | IRAZOLA | CENTRO DE INVESTIGACION BIOMEDICA | Spain | Others | Young Scientist Award | View Profile |
| Dr | Letzai | Ruiz-Valero | University of Toronto | Canada | Materials Science and Engineering | Best Researcher Award | View Profile |
| Dr | Lewis | Gooch | The University of Newcastle | Australia | Structural Engineering | Best Researcher Award | View Profile |
| Prof | Leyli | Mohammad Khanli | University of Tabriz | Iran | Others | Best Researcher Award | View Profile |