| Mr | Cletus | Ukwubile | University of Maiduguri | Nigeria | Pharmacology, Toxicology and Pharmaceutical Science | Pharmacognosy | Best Researcher Award | |
| Prof Dr | Claudio | Prieto | FBCB - Universidad Nacional del Litoral | Argentina | Biochemistry, Genetics and Molecular Biology | Biotecnología farmacéutica | Best Researcher Award | |
| Dr | Claudia Ivette | Gamboa Gómez | Claudia Ivette Gamboa Gómez | Mexico | Biochemistry, Genetics and Molecular Biology | Alimentos Funcionales | Best Researcher Award | |
| Dr | Claudia | Campanale | CNR-IRSA | Italy | Chemistry | Scienza ambientale | Best Researcher Award | |
| Dr | Claudel | NOEL | State University of Haiti, Henry Christophe Campus of Limonade | Haiti | Environmental Science | Solid Waste Management | Most Cited Article Award | |
| Ms | Clara | López Colom | Universitat Rovira i Virgili (URV) | Spain | Chemical Engineering | Distillation Process | Best Researcher Award | bestpaperawards.com |
| Dr | Cinzia | Pica | Assumption University | United States | Social Sciences | Intercultural Education | Best Researcher Award | |
| Ms | Cinzia | Bandiziol | Università di Padova | Italy | Mathematics | Matematica | Best Researcher Award | bestpaperawards.com |
| Assoc Prof Dr | Chunhai | Li | Sichuan University | China | Materials Science | Polymer Science | Best Researcher Award | |
| Dr | Chung-Ching | Huang | Tourism Department | Taiwan | Social Sciences | Tourism Management | Best Researcher Award | |
| Dr | Chun Hean | Lee | University of Glasgow | United Kingdom | Engineering | Computational Mechanics | Best Researcher Award | |
| Dr | Chukwuemeka | Onyimadu | UN Women | Nigeria | Economics, Econometrics and Finance | Public Financing for Climate Change | Most Reader's Article Award | |
| Assist Prof Dr | Christos | Chatzidoukas | Aristotle University of Thessaloniki | Greece | Chemical Engineering | Process Systems Engineering -Biochemical Processes | Best Researcher Award | |
| Prof | Christine | Drea | Duke University | United States | Agricultural and Biological Sciences | Behavioral Ecology | Most Reader's Article Award | |
| Ms | Christina | Dionysakopoulou | general children hospital "Agia Sofia" | Greece | Nursing and Health Professions | pain managemet/ neonatal pain | Best Research Article Award | |
| Assoc Prof Dr | Christian Kweku | Adokoh | University of Cape Coast | Ghana | Pharmacology, Toxicology and Pharmaceutical Science | Natural product and Toxicity | Best Researcher Award | |
| Prof | Christian | KENFACK SADEM | Université of Dschang | Cameroon | Materials Science | Condensed Matter Physics | Best Researcher Award | |
| Mr | Christian | Carvajal | Instituto de Automática-UNSJ | Argentina | Engineering | Robotic/Control | Best Researcher Award | |
| Prof | Christian | Corda | SUNY Polytechnic Institute, 13502 Utica, New York, USA | United States | Physics and Astronomy | Black holes, gravitational waves, tests of general relativity, planets' trajectories | Best Researcher Award | |
| Prof | Chong Min | Koo | Sungkyunkwan University | South Korea | Materials Science | 2D Materials, Soft Materials, Composites, EMI Shielding, Energy Storage | Best Researcher Award | |