| Prof. Dr | Cameron | Yin | University of Texas MD Anderson Cancer Center | United States | Medicine and Health Sciences | Hematology/Oncology | Best Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Can | Küçük | Dokuz Eylül University | Turkey | Biochemistry, Genetics and Molecular Biology | Hematological malignancies | Best Researcher Award | environmentalscientists.org |
| Mrs | CARINA | BALCOS | UMPh Grigore T.Popa Iasi | Romania | Dentistry | Surgery, Epidemiology | Best Researcher Award | environmentalscientists.org |
| Dr | Carina Gabriela | Uasuf | IFT - CNR | Italy | Medicine and Health Sciences | ALLERGOLOGIA | Women Researcher Award | environmentalscientists.org |
| Dr | Carlo Alberto | Pastura | Department of Medical and Surgical Sciences, University Magna Græcia of Catanzaro, 88100 Catanzaro, Italy | Taiwan | Medicine and Health Sciences | Worsening Heart Failure | Research Excellence Distinction Award | environmentalscientists.org |
| Dr | Carlos | Roldan | The University of Texas MD Anderson Cancer center | United States | Medicine and Health Sciences | Pain Management | Best Researcher Award | environmentalscientists.org |
| Dr | Carlos | Hiranobe | Universidade Estadual Paulista UNESP | Brazil | Chemistry and Materials Science | A Review of EPDM | Best Researcher Award | environmentalscientists.org |
| Mr | Carlos | Velásquez | Universidad de Alicante | Ecuador | Ecology and Conservation | Eficiencia Energética | Best Paper Award | environmentalscientists.org |
| Dr | Carlos | Lucena | Universidad de Córdoba | Spain | Agricultural and Biological Sciences | Mineral Nutrition, plant physiology | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Carmen | García Ruiz | Universidad de Alcalá | Spain | Others | Química Forense | Women Researcher Award | environmentalscientists.org |
| Prof. Dr | Carmen | Nastase | Stefan cel Mare University of Suceava | Romania | Business, Management and Accounting | circular economy, sustainable economy | Best Researcher Award | environmentalscientists.org |
| Prof. Dr | Carmen | Jaren | Universidad P´ublica de Navarra | Spain | Agricultural and Biological Sciences | Engineering | Women Researcher Award | environmentalscientists.org |
| Assoc. Prof. Dr | Catalin | Popa | Romanian Naval Academy "Mircea cel Batran" | Romania | Business, Management and Accounting | Business Process Modelling | Research Excellence Distinction Award | environmentalscientists.org |
| Dr | Cesar Marcial | Escobedo Bonilla | Instituto Politécnico Nacional CIIDIR Sinaloa | Mexico | Agricultural and Biological Sciences | Biostimulants in agriculture | Best Researcher Award | environmentalscientists.org |
| Ms | Chalya | Dashe | C D HOGAR NIGERIA LIMITED | Nigeria | Environmental Science | Green House Concepts and Climate Change | Women Researcher Award | environmentalscientists.org |
| Dr | CHANCHAL KUMAR | KUNDU | Jashore University of Science and Technology | Bangladesh | Environmental and Sustainable Materials | Textiles and Polymers | Best Researcher Award | environmentalscientists.org |
| Dr | Chandana | Thebuwena | Galle Face Properties Limited, Malaysia University of Science & Technology, University of Stavanger | Sri Lanka | Others | Sustainable Development, water conservation | Best Researcher Award | environmentalscientists.org |
| Mr | Chang Soo | Ryu | CHA university | South Korea | Biology and Life Sciences | Biomedical Sciences, biomarker, molecular genetics | Best Researcher Award | environmentalscientists.org |
| Mr | Changho | Choi | National Forensic Service | South Korea | Others | Forensic science | Best Researcher Award | environmentalscientists.org |
| Dr | Charan | Singh | ICAR- Indian Institute of Wheat & Barley Research Karnal-132001 Haryana | India | Agricultural and Biological Sciences | Genetics & Plant Breeding | Best Researcher Award | environmentalscientists.org |