| Assist. Prof. Dr | Kleomenis | Kalogeropoulos | University of West Attica | Greece | topteachers.net |
| Ms | komala | Gudla | Tamil Nadu Agricultural University, TNAU | India | topteachers.net |
| Prof. Dr | Kongkiti | Phusavat | Kasetsart University | Thailand | topteachers.net |
| Dr | Konstantinos | Azis | Department of Environmental Engineering, Democritus University of Thrace | Greece | topteachers.net |
| Dr | Kristy | Wallmo | National Marine Fisheries Service | United States | topteachers.net |
| Mr | Kritsada | Khun-anod | Kochi University of Technology | Japan | topteachers.net |
| Mr | Kwakhanya | Gcaba | North-West University | South Africa | topteachers.net |
| Prof | Kyungsik | Kim | Pukyong National University | South Korea | topteachers.net |
| Prof. Dr | lamia | hamrouni | INRGREF | Tunisia | topteachers.net |
| Prof | Lamiaa | Mohamed | Cairo University, Faculty of Engineering | Egypt | topteachers.net |
| Assoc. Prof. Dr | Laura | Zalieen | Klaipeda university | Lithuania | topteachers.net |
| Ms | Lea | Nohra | Lebanese University | Lebanon | topteachers.net |
| Dr | Lei | Hou | Zhejiang Lab | China | topteachers.net |
| Assoc. Prof. Dr | Lene | Vestad | University of Stavanger | Norway | topteachers.net |
| Mr | Li | Xiao | Northwest Normal University | China | topteachers.net |
| Dr | Liangjun | Chen | School of Metallurgical Engineering, Anhui University of Technology | China | topteachers.net |
| Assoc. Prof. Dr | Lijuan | Han | Wuhan Polytechnic University | China | topteachers.net |
| Assist. Prof. Dr | Lilya | Boucelha | Biologie-USTHB | Algeria | topteachers.net |
| Prof | Limin | Rong | The Third Affiliated Hospital of Sun Yat-sen University | China | topteachers.net |
| Prof. Dr | Lisa | Brinn | Florida International University | United States | topteachers.net |