| Dr. | Osnat | Elyashiv | Gynecologic Oncology Unit, Edith Wolfson Medical Center, affiliated to Gray faculty of Health Sciences, Tel Aviv University | Oncology Therapy | Israel | Research Excellence Award | pencis.com |
| Dr | Osama | Awad | Minia University | Others | Egypt | Best Research Award | |
| Mr. | omar | alqaisi | Al-Zaytoonah University of Jordan | Oncology Nursing | Jordan | Best Researcher Award | pencis.com |
| Dr | Olga | Sukocheva | Flinders University of South Australia | Targeted Cancer Therapy | Australia | Best Researcher Award | |
| Prof | Olga | Krizanova | Institute of Clinical and Translational Research | Oncology Therapeutics and Novel Approaches | Slovakia | Best Researcher Award | |
| Prof | Ola | Omran | Qassim University | Cancer Science | Saudi Arabia | Best Researcher Award | |
| Prof | Ola | Omran | College of Medicine- Qassim University | Cancer Biomarkers | Saudi Arabia | Best Researcher Award | |
| Dr. | Okechukwu | Obulezi | Nnamdi Azikiwe Univeristy, Awka, Nigeria | | Nigeria | Best Paper Award | pencis.com |
| Dr. | Ohidul | Alam | Jiangsu University | Cancer Science | China | | pencis.com |
| Prof. | Noha | Elkady | Menoufia University, Faculty of Medicine | Cancer Biomarkers | Egypt | Research Excellence Award | pencis.com |
| Dr | Noelia Victoria | Miret | Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales | Cancer Cell Biology | Argentina | Best Researcher Award | |
| Mr | Nishanth | Anandanadarajah | University of Louisiana at Lafayette | Cancer Genetics | United States | Best Researcher Award | |
| Assist Prof Dr | Nilgun | Eroglu | Dr. Sami Ulus Maternity and Children's Hospital | Oncology Therapy | Turkey | Best Research Award | |
| Ms | Nikhita | Raja | Newcastle University | Cancer Science | United Kingdom | Best Research Award | |
| Prof | nicola | perrotti | University Magna Graecia at Catanzaro | Oncology Therapeutics and Novel Approaches | Italy | Best Researcher Award | |
| Dr | Never | Zekeya | College of African Wildlife Management | Oncology Alternative Medicine | Tanzania | Best Researcher Award | |
| Dr | Never | Zekeya | College of African Wildlife Management | Oncology Alternative Medicine | Tanzania | Outstanding Scientist Award | |
| Dr | Negar | Ataei | Isfahan university of medical science | Others | Iran | Best Research Award | |
| Dr | Navid | Manafi | Max Rady College of medicine | Oncology Therapy | Canada | Best Research Award | |
| Prof | Nathalia | Pizato | University of Brasilia | Cancer Biomarkers | Brazil | Women Researcher Award | |