| Dr | Kathiresan | Sellamuthu | Kongunadu College of Engineering and Technology (Autonomous) | India | Chemistry | Bioinorganic Chemistry | Best Research Award | |
| Ms | Kathy | Karatasas | University of Western Sydney and CulturalWorks | Australia | Social Sciences | Foster care- Multicultural children in care | Best Researcher Award | View Profile |
| Assoc Prof Dr | Katrien | Fransen | KU Leuven | Belgium | Other | Sport Psychology | Best Researcher Award | |
| Ms | Katrina | Leclerc | University of Winnipeg Global College | Canada | Arts and Humanities | Human Rights | Research Excellence Award | View Profile |
| Mrs | Katsiaryna | Khainskaya | Institute of Chemistry of New Materials of the National Academy of Sciences of Belarus | Belarus | Chemistry | Polymer Chemistry | Best Researcher Award | View Profile |
| Prof | Kaveh | Shahbaz | THE UNIVERSITY OF AUCKLAND | New Zealand | Chemical Engineering | Green solvents | Best Researcher Award | |
| Dr | Kaveh | Asgari | West Virginia University | United States | Engineering | Mining / Mineral Processing | Best Researcher Award | |
| Assist. Prof. Dr | KAVIARASAN | BOOMIPALAGAN | KL Deemed to be University | India | Mathematics | Control Theory | Young Scientist Award | View Profile |
| Dr | KAVIKUMAR | RAMASAMY | VIT-AP | India | Mathematics | Fuzzy control Theory | Young Scientist Award | View Profile |
| Ms | Kavita | Thakur | Punjab Agricultural University (PAU) | India | Agricultural and Biological Sciences | Food Technology | Best Researcher Award | |
| Assoc Prof Dr | Kavitha | Palaniappan | Newcastle Australia Institute of Higher Education | Singapore | Psychology | Mental Wellbeing of Migrants | Best Researcher Award | |
| Ms | Kavitha | Ganesan | SRM institute of science and technology | India | Chemistry | Graphene based photo catalyst for waste water treatment | Young Scientist Award | |
| Dr | Kavitha | Sanjeev | SRM DENTAL COLLEGE | India | Dentistry | Conservative Dentistry and Endodontics | Best Researcher Award | |
| Dr | KAVITHA | NP | Sri Venkateswara College of Engineering | India | Chemical Engineering | Wastewater Treatment, Numerical Modeling, CFD Modeling, Waste Management | Best Researcher Award | |
| Mrs | Kavitha | V | The Madura College | India | Materials Science | Phosphorescence | Young Scientist Award | View Profile |
| Prof. Dr | Kazuyoshi | Tsuchiya | Tokai University | Japan | Engineering | Bio Engineering | Best Researcher Award | View Profile |
| Prof | KC | Chitra | University of Calicut | India | Agricultural and Biological Sciences | Aquatic Toxicology | Best Researcher Award | |
| Mr. | Keabetsoe | Manosa | Mersin University | Turkey | Chemical Engineering | Effective hydrogen storage in metal clusters safely and economically: https://doi.org/10.26434/chemrxiv-2025-wkpn4 | Young Researcher Award | View Profile |
| Dr | Keciany | Oliveira | Universidade Estadual do Ceara | Brazil | Health Professions | Nutrition | Young Scientist Award | |
| Mr | Kedir Awol | Assen | Raya University, Tigray region, Ethiopia | Ethiopia | Agricultural and Biological Sciences | Dairy science and technology | Best Researcher Award | |