| Dr. | Clement | OSEI AKOTO | Kwame Nkrumah University of Science and Technology | Cancer Science | Ghana | Best Researcher Award | |
| Dr. | Clément | Petitjean | University Hospital Centre Caen, department of maxillofacial and plastic surgery, Caen, | carcinoma | France | Best Researcher Award | |
| Dr. | CLEMENT | ARTHUR | First Hospital of Shanxi Medical University | Oncology and Precision Medicine | China | Best Researcher Award | |
| Ms. | Constantina | Cloconi | German Oncology Center | Oncology Nursing | Cyprus | Best Researcher Award | |
| Dr | Costantino | Errani | IRCCS Istituto Ortopedico Rizzoli | Oncology Therapy | Italy | Best Researcher Award | |
| Dr | Cynthia | Martinez | PRIVATE | Cancer Biomarkers | Mexico | Best Researcher Award | |
| Prof Dr | Dae-Kwang | Kim | Department of Medical Genetics, Keimyung University School of Medicine | Cancer Biomarkers | South Korea | Best Research Award | |
| Assoc Prof Dr | Daigo | YOSHIGA | Kyushu Dental University | Cancer Metastasis | Japan | Best Research Award | |
| Dr | Dania | Daye | Massachusetts General Hospital/Harvard Medical School | Oncology and Precision Medicine | United States | Best Researcher Award | |
| Prof. | Daniel | Negrini | Fluminense Federal University | Cancer Science | Brazil | Best Researcher Award | |
| Mr | Daniel Fernando | Santos Bustos | Universidad Distrital Francisco José de Caldas | Oncology Management and Prevention | Colombia | Young Scientist Award | |
| Dr | Daniela | Capdepon | Royal College Australian | Cancer Genetics | Australia | Excellence in Research | |
| Mrs | Daniela | Capdepon | Campana Cancer Centre | Cancer Metabolomics | Argentina | Best Research Award | |
| Ms | Danila | Madonia | Uppsala University Hospital | Organ-Defined Cancers | Sweden | Best Researcher Award | |
| Prof | Davar | Amani | Shahid Beheshti Uni. med. sci. School of Medicine | Tumour Immunology | Iran | Best Research Award | |
| Dr | David | Cella | Northwestern University Feinberg School of Medicine | Oncology Therapy | United States | Best Research Award | |
| Dr | David | Straus | Memorial Sloan Kettering Cancer Center | Oncology Therapy | United States | Best Researcher Award | |
| Mr | David | Kent | The Vision Clinic | Others | Ireland | Excellence in Research | |
| Dr | David Bienvenue | NTEP NTEP | faculty of medicine and biomedical sciences\University of Yaounde I | Pharmaco-Oncology | Cameroon | Best Researcher Award | |
| Prof. | Dehua | Li | Air Force Medical University | Oncology Therapeutics and Novel Approaches | China | Best Researcher Award | pencis.com |