| Mr | Lei | Sun | University of Bologna | Italy | Arts and Humanities | Architecture | Best Researcher Award | environmentalscientists.org |
| Dr | Lenis | Sosa | Houston Methodist | United States | Nursing and Health Professions | Nursing Innovation | Best Researcher Award | environmentalscientists.org |
| Dr | Leonardo | Brugiatelli | Università Politecnica delle Marche | Italy | Medicine and Health Sciences | Cardiologia | Research Excellence Award | environmentalscientists.org |
| Ms | LEYLA | AKBULUT | Alanya Alaaddin Keykubat University | Turkey | Environmental and Sustainable Materials | Sustainable Waste-to-Energy Conversion and Circular Material Valorization | Excellence in Scientific Innovation Award | environmentalscientists.org |
| Assoc. Prof. Dr | Li | Li | China Agricultural University | China | Humanities and Science Integration | Global Governance, Public Management | Best Researcher Award | environmentalscientists.org |
| Mr | Li | ChengLong | North China University of Water Resources and Electric Power | China | Engineering | remote sensing | Young Scientist Award | environmentalscientists.org |
| Mr | Li | Mingxuan | Beijing Smart-Chip Microelectronics Technology Company Ltd. | China | Engineering | Power system fault diagnosis | Research Excellence Award | environmentalscientists.org |
| Mrs | Lia-Oxana | Usatiuc | "Iuliu Hațieganu" University of Medicine and Pharmacy Cluj-Napoca | Romania | Medicine and Health Sciences | Endocrinology | Research Excellence Award | environmentalscientists.org |
| Assist. Prof. Dr | Liang | XIAO | Zhaoqing University | China | Agricultural Science and Innovation | Low-carbon, Healthy, and High-value Agriculture | Research Excellence Award | environmentalscientists.org |
| Dr | Lisette | Alcantara S | University of Rochester | United States | Environmental Science | Social Impact of Scientific Discoveries | Best Scholar Award | environmentalscientists.org |
| Assoc. Prof. Dr | Liu | Jinxian | Shanxi University | China | Ecology and Conservation | Microbial ecology | Best Researcher Award | environmentalscientists.org |
| Mrs | Livia | Marques Faustino | Clariant | Brazil | Environmental and Sustainable Materials | Mineral Processing | Best Researcher Award | environmentalscientists.org |
| Prof | Loren | Babcock | The Ohio State University | United States | Earth and Planetary Sciences | Geology and Paleontology | Best Researcher Award | environmentalscientists.org |
| Dr | Lu | Jin | Beijing Tiantan Hospital, Capital Medical University | China | Cognitive Science | Hypothalamic functional connectivity | Best Researcher Award | environmentalscientists.org |
| Dr | Luca | Pallotti | Università politecnica delle Marche | Italy | Agricultural and Biological Sciences | viticulture | Best Researcher Award | environmentalscientists.org |
| Dr | Lúcia | Pombo | University of Aveiro, CIDTFF | Portugal | Social Sciences | Mobile augmented reality educational games | Best Researcher Award | environmentalscientists.org |
| Dr | Lucia Camelia | Pirvu | National Institute of Chemical Pharmaceutical R&D, Bucharest, ROMANIA | Romania | Environmental Science | Ecological alternatives to synthetic pesticides | Best Researcher Award | environmentalscientists.org |
| Dr | Luciano | De Pau | Agris Sardegna | Italy | Agricultural and Biological Sciences | Biodiversity | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Luciano | Dib | Ubiversidade Paulista | Brazil | Dentistry | Maxilofacial surgery | Best Researcher Award | environmentalscientists.org |
| Dr | Luis | Hernandez Encinas | Spanish National Research Council | Spain | Cybersecurity and Cryptography | Asymmetric Cryptography and Post-Quantum Cryptography | Best Researcher Award | environmentalscientists.org |