| Dr | Lee | Mackenzie | Liverpool Hope University | United Kingdom | Arts and Humanities | Education | Best Researcher Award | youngscientistawards.com |
| Mr | Lehlogonolo | Tabana | University of Pretoria | South Africa | Chemical Engineering | Water Remediation | Young Scientist Award | |
| Dr | Lei | Hou | Harbin Institute of Technology | China | Engineering | Intelligent fault diagnosis | Young Scientist Award | |
| Dr | Lei | Ren | Nantong university | China | Engineering | Condition monitoring of power electronic devices | Best Researcher Award | youngscientistawards.com |
| Ms | Leijie | Qiao | Shanxi Universty | China | Mathematics | Computational Mathematics | Best Researcher Award | |
| Dr | Leila | Amiri | York University | Canada | Mathematics | Infectious disease modeling | Women Researcher Award | |
| Dr | Leila | mousavi | Tehran University | Iran | Health Professions | Sports and Athletic activity | Best Researcher Award | youngscientistawards.com |
| Dr | leila | zandi | tehran university | Iran | Social Sciences | immigration | Best Researcher Award | youngscientistawards.com |
| Ms | leili | Abdi | Tehran University of Medical scince | Iran | Agricultural and Biological Sciences | Food science | Young Scientist Award | |
| Mr | Lemekezani | Chilora | MwAPATA Institute | Malawi | Economics, Econometrics and Finance | Agriculture economics | Young Scientist Award | youngscientistawards.com |
| Dr | Lerato | Seleteng-Kose | National University of Lesotho | Lesotho | Agricultural and Biological Sciences | Botany | Best Researcher Award | |
| Mr | Leta Gobosho | Ameja | university | Ethiopia | Agricultural and Biological Sciences | Forestry,natural resources conservationists | Best Researcher Award | |
| Assoc. Prof. Dr | Leyi | Li | Xi’an Institute for Innovative Earth Environment | China | Earth and Planetary Sciences | Paleoclimate, Tibetan Plateau geology | Best Researcher Award | youngscientistawards.com |
| Dr | Leyla | Eraslan | Hacettepe University | Turkey | Health Professions | Physiotherapy and Rehabilitation | Best Researcher Award | |
| Prof | Li | Xia | Qingdao University of Science and Technology | China | Chemical Engineering | Process Systems Engineering | Best Researcher Award | youngscientistawards.com |
| Prof Dr | Li | Chen | Southeast University | China | Engineering | Safety science | Young Scientist Award | |
| Assoc. Prof. Dr | Li-Lan | Chuang | Chang Gung University of Science and Technology | Taiwan | Nursing and Health Professions | obstetric | Best Researcher Award | youngscientistawards.com |
| Ms | Li-Yu | Liao | University of Glasgow | Taiwan | Agricultural and Biological Sciences | Rural Studies | Best Researcher Award | youngscientistawards.com |
| Assoc. Prof. Dr | Liang-Zi | Zhou | Shandong Agricultural University | China | Agricultural and Biological Sciences | Plant Biology | Best Researcher Award | |
| Dr | Liangwei | Zeng | Guangzhou Maritime University | China | Physics and Astronomy | Nonlinear Optics | Best Researcher Award | |