| Dr | Letzai | Ruiz-Valero | University of Toronto | Canada | Materials Science and Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | LETICIA | IRAZOLA | CENTRO DE INVESTIGACION BIOMEDICA | Spain | Others | Young Scientist Award | civilengineeringawards.com |
| Dr | Lenganji | Simwanda | Czech Technical University in Prague | Czech Republic | Structural Engineering | Young Scientist Award | civilengineeringawards.com |
| Mr | Lemewihbwen | Ngiamte George | Pan African University Life and Earth Sciences Institute (including Health and Agriculture), University of Ibadan | Nigeria | Others | Best Researcher Award | civilengineeringawards.com |
| Dr | Lele | WU | School of Civil Engineering, Tianjin Chengjian University | China | Structural Engineering | Research Excellence Award | civilengineeringawards.com |
| Dr | Lekan Taofeek | Popoola | Afe Babalola University, Nigeria | Nigeria | Environmental Engineering | Outstanding Scientist Award | |
| Dr | Leili | Abolhassani | Environmental Change Institute/University of Oxford | United Kingdom | Others | Women Researcher Award | civilengineeringawards.com |
| Dr | Lei | Xu | China University of Geosciences (Wuhan) | China | Water Resources Engineering | Best Researcher Award | |
| Dr | Leena | Awawdeh | Western sydney University | Australia | Others | Best Researcher Award | civilengineeringawards.com |
| Prof | Lech | Bukowski | WSB University | Poland | Risk and Resilience Engineering | Research Excellence Award | civilengineeringawards.com |
| Dr | Le-Xi | Zhang | Tianjin University of Technology | China | Materials Science and Engineering | Best Researcher Award | civilengineeringawards.com |
| Dr | Lazaros | Neokosmidis | University of the Aegean | Greece | Environmental Modeling | Excellence in Research | civilengineeringawards.com |
| Dr | laurent | Coudeville | SANOFI VACCINES | France | Others | Best Researcher Award | civilengineeringawards.com |
| Dr | Lauren | Lambert | Arizona State University | United States | Others | Best Researcher Award | civilengineeringawards.com |
| Dr | lanfeng | Li | School of Environment Studies, China University of Geosciences (Wuhan) | China | Environmental Engineering | Best Researcher Award | civilengineeringawards.com |
| Mr | LALIT | KUMAR | MNNIT Allahabad | India | Others | Best Researcher Award | |
| Dr | Laith | Baqain | King Hussein Medical Center | Jordan | Others | Best Researcher Award | civilengineeringawards.com |
| Mrs | Laingshun | Huoy | Swedish University of Agricultural Science (SLU) | Sweden | Others | Best Researcher Award | civilengineeringawards.com |
| Ms | laila | taoufiq | ecole polytechnique d'agadir | Morocco | Earthquake Engineering | Women Researcher Award | civilengineeringawards.com |
| Mrs | laila | taoufiq | Ecole polytechnique d'Agadir | Morocco | Earthquake Engineering | Women Researcher Award | civilengineeringawards.com |