| Prof. Dr | Anton | Kiselev | National Medical Research Center for Therapy and Preventive Medicine | Russia | Medicine and Health Sciences | cardiology | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Hayriye | Kırkoyun Uysal | Istanbul University Istanbul Medical Faculty | Turkey | Medicine and Health Sciences | Medical Microbiology | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Dimitris | Klaoudatos | University of Thessaly | Greece | Agricultural and Biological Sciences | Fisheries | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Kliment | Klimentov | University of Ruse | Bulgaria | Engineering | Centrifugal pumps, CFD modeling | Best Researcher Award | environmentalscientists.org |
| Dr | Malgorzata | Kloc | Houston Methodist Hospital | United States | Biochemistry, Genetics and Molecular Biology | mechanotransduction | Best Researcher Award | environmentalscientists.org |
| Dr | Aleksandra | Kłos-Witkowska | University of Bielsko-Biala | Poland | Biotechnology | Biosensors | Best Researcher Award | environmentalscientists.org |
| Prof | Roland | Kmeid | Saint Joseph University of Beirut | Lebanon | Dentistry | Orthodontics | Best Academic Researcher Award | environmentalscientists.org |
| Prof. Dr | Vladimir | Kobelev | Universität Siegen | Germany | Engineering | Strukturoptimierung und Optimaldesign | Excellence in Innovation Award | environmentalscientists.org |
| Assist. Prof. Dr | Kaan | Koçali | Istanbul Gelisim University | Turkey | Social Sciences | Occupational Health and Safety | Best Researcher Award | environmentalscientists.org |
| Dr | Anna | Kochanek | Akademia Nauk Stosowanych | Poland | Others | Systemy Informacji Geograficznej | Women Researcher Award | environmentalscientists.org |
| Dr | Takahiro | Kodama | Kagawa university | Japan | Communication and Outreach | Optical remote sensor | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Dimitrina | Koeva | Technical University of Gabrovo | Bulgaria | Renewable Energy Technologies | Energy and Sustainability | Best Researcher Award | environmentalscientists.org |
| Mr | Petar | Kolev | Institute of optical materials and technologies "Acad. Yordan Malinowski" - BAS | Bulgaria | Environmental Science | Optical sensors | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Gabriel | Koman | University of Zilina, Faculty of Management Sicence and Informatics | Slovakia | Business, Management and Accounting | Enterprise information systems | Best Researcher Award | environmentalscientists.org |
| Dr | Viacheslav | Kondratiuk | Vinnitsa National Pirogov Memorial Medical Univercity | Ukraine | Health Professions | Microbiology, Antibiotic resistance, war | Best Researcher Award | environmentalscientists.org |
| Assist. Prof. Dr | Akihito | Konishi | The University of Osaka | Japan | Chemistry and Materials Science | Organic chemistry | Best Researcher Award | environmentalscientists.org |
| Dr | Kurthan | Korutürk | Near East University | Cyprus | Others | Environmental Education | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Marijana | Kosanić | Faculty of Science, University of Kragujevac | Serbia | Biotechnology | Bioactive properties of natural products | Women Researcher Award | environmentalscientists.org |
| Dr | Ifigenia | Kostoglou-Athanassiou | Department of Endocrinology, Asklepeion General Hospital | Greece | Immunology and Microbiology | Immunology and Endocrinology | Research Excellence Award | environmentalscientists.org |
| Assoc. Prof. Dr | Boris | Kostov | University Angel Kanchev of Ruse, Bulgaria | Bulgaria | Engineering | Mechanical engineering / Improving energy efficiency of pump and fan systems | Best Researcher Award | environmentalscientists.org |