| Prof Dr | Nuno | Vale | Faculty of Medicine, University of Porto | Pharmaco-Oncology | Portugal | Excellence in Research | |
| Assoc. Prof. Dr. | Nuray | Varol | Gazi University, Faculty of Medicine, Department of Medical Biology and Genetics | Cancer Genetics | Turkey | Women Researcher Award | |
| Assoc. Prof. Dr. | Nursabah | SARIKAVAKLI | Aydın Adnan Menderes University | Targeted Cancer Therapy | Turkey | Best Researcher Award | |
| Dr. | Ohidul | Alam | Jiangsu University | Oncology Case Reports | China | Best Researcher Award | pencis.com |
| Dr. | Ohidul | Alam | Jiangsu University | Cancer Science | China | | pencis.com |
| Dr. | Okechukwu | Obulezi | Nnamdi Azikiwe Univeristy, Awka, Nigeria | | Nigeria | Best Paper Award | pencis.com |
| 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 | 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 | |
| Mr. | omar | alqaisi | Al-Zaytoonah University of Jordan | Oncology Nursing | Jordan | Best Researcher Award | pencis.com |
| Prof | Omnia | Kandil | Ntional Reserch Centre | Oncology Alternative Medicine | Egypt | Best Researcher Award | |
| Dr | Osama | Awad | Minia University | Others | Egypt | Best Research Award | |
| Assist. Prof. Dr. | Osman Vefa | Gul | Selcuk University/ Radiation Oncology | Radiation Oncology | Turkey | Best Researcher Award | |
| Dr | Özlem | Çoban | Karadeniz Technical University | Targeted Cancer Therapy | Turkey | Best Researcher Award | |
| Prof | paola | gazzaniga | sapienza university of rome | Oncology and Precision Medicine | Italy | Best Research Award | |
| Prof. | Paolo | De Simone | UNIVERSITY OF PISA | Oncology Therapy | Italy | Most Liked Article Award | pencis.com |
| Prof Dr | PASTORA | BEARDO | Puerta del Mar University Hospital | Oncology and Precision Medicine | Spain | Best Researcher Award | |
| Dr | Patrizia | Pasanisi | Fondazione ISCCS Istituto Nazionale dei Tumori di Milano | Oncology Management and Prevention | Italy | Best Researcher Award | |
| Prof | Paul | Yip | the University of Hong Kong | Others | Hong Kong | Best Researcher Award | |