| Dr | Cansu | Tunc | University of Utah | United States | Engineering | Bioengineering/Nanobiotechnology | Best Researcher Award | |
| Dr | Carl | Vahldieck | UKSH Campus Luebeck, Germany | Germany | Health Professions | Human Medicine | Best Researcher Award | |
| Ms | Carla | Molina Grané | UNITN | Italy | Mathematics | Epidemic modelling | Best Researcher Award | |
| Dr | Carlo | Moro | Federal University of Rio Grande do Sul | Brazil | Biochemistry, Genetics and Molecular Biology | Proteomics, Protein Biophysics | Best Researcher Award | View Profile |
| Dr | Carlos | Cuao | Actually not linked to any institution | Colombia | Materials Science | Surface Engineering | Young Scientist Award | |
| Assoc Prof Dr | Carlos | Fernandez-Basso | University College London / Universidad de Granada | Spain | Computer Science | Artificial Inteligence | Best Researcher Award | |
| Prof. Dr | Carlos | Mendes | UFAM | Brazil | Physics | Artificial Intelligence and Hydrology | Young Scientist Award | View Profile |
| Dr | Carlos Alberto | Duque Garcia | Universidad Autónoma Metropolitana unidad Azcapotzalco | Mexico | Economics, Econometrics and Finance | Economía política | Best Researcher Award | View Profile |
| Mr | Carlos Antônio | Rufino Júnior | Technische Hochschule Ingolstadt | Brazil | Engineering | Battery, blockchain, Modelling, Machine Learning Algorithms | Young Scientist Award | |
| Mrs | Carlota | Jauregui Larranaga | Hospital Universitario Donostia | Spain | Health Professions | Neurología | Best Researcher Award | View Profile |
| Mrs | Carlotta | Benedetti | University of Innsbruck | Austria | Business, Management and Accounting | Family Business Management | Young Scientist Award | |
| Mrs | Carlotta | Fontana | University of Salerno | Italy | Engineering | Ingegneria Industriale | Best Researcher Award | View Profile |
| Prof Dr | Carmen | Müller | UFSC | Brazil | Agricultural and Biological Sciences | Alimentos | Best Researcher Award | |
| Mrs | Carmen Gisela | Mindani Cáceres | Universidad Nacional del Altiplano | Peru | Engineering | Alimentación y nutrición | Women Researcher Award | View Profile |
| Prof. Dr | Carmen Silvia | Rial | INCT-Futebol, CNPq, UFSC | Brazil | Social Sciences | Anthropology | Best Researcher Award | View Profile |
| Ms | Carolin | Mercy | SRM IST | India | Chemistry | Material science and Electrocatalysis | Best Researcher Award | View Profile |
| Dr | Carolina | Cabaços | Centro Hospitalar e Universitário de Coimbra | Portugal | Health Professions | Psychiatry | Young Scientist Award | |
| Dr | Carolina | Lagos | Hospital de niños Roberto del Rio | Chile | Medicine and Dentistry | Cirugia | Women Researcher Award | View Profile |
| Dr | Carolina | Curti | Universidad Nacional de Salta (National University of Salta) | Argentina | Health Professions | Nutrition/Food Science | Best Researcher Award | |
| Mrs | Carrie | Shuster | University of San Diego | United States | Environmental Science | Forensic Geochemistry | Best Researcher Award | View Profile |