| Dr | Rashmi | S | Dayananda Sagar College of Engineering | Tumour Immunology | India | Best Researcher Award | |
| Prof | Raul | Andino | University of California, San Francisco | Oncology Therapeutics and Novel Approaches | United States | Best Researcher Award | |
| Ms | Rebecca | Louison | Mount Mercy University | Oncology Alternative Medicine | United States | Best Research Award | |
| Dr | reyhane | zarbaf | imam khomaini Qazvin | Oncology Management and Prevention | Iran | Best Researcher Award | |
| Dr | Ricardo da | Alves | University of Valley Sapucai | Others | Brazil | Best Research Award | |
| Dr | Richard | WOJDAT | Franziskus Hospital Bielefeld-Herford | Oncology Therapy | Germany | Best Research Award | |
| Dr | ROSEKEILA | NOMELINI | UFTM/IPON | Cancer Biomarkers | Brazil | Best Researcher Award | |
| Dr | Roshanak | Shams | SBMU | Cancer Biomarkers | Iran | Best Researcher Award | |
| Dr. | Rui | Liu | Wenzhou Medical University | Radiation Oncology | China | | pencis.com |
| Dr | Saade | Jasim | Al-maarif university college | Cancer Cell Biology | Iraq | Best Research Award | |
| Ms | sahar | Arabyazdi | Amirkabir University of Technology | Targeted Cancer Therapy | Iran | Best Research Award | |
| Prof | Sahar | Hamed | Urology and Nephrology Center, Mansoura University, Egypt. | Tumour Immunology | Egypt | Best Research Award | |
| Dr | Saima | Rafique | Air University | Cancer Science | Pakistan | Women Researcher Award | |
| Ms | Sakunie | Sawai | Universiti Malaya | Oncology Alternative Medicine | Malaysia | Best Researcher Award | |
| Dr | Salama A. | Mostafa | Universiti Tun Hussein Onn Malaysia | Others | Malaysia | Best Research Award | |
| Dr | Sally | Vernon | UTHealth School of Public Health | Others | United States | Best Research Award | |
| Dr | Samaa | Abdullah | King Abdulaziz University | Oncology Therapeutics and Novel Approaches | Saudi Arabia | Best Researcher Award | |
| Prof | samah | loutfy | National Cancer Institute, Cairo University, NTRC, BUE | Cancer Cell Biology | Egypt | Best Researcher Award | |
| Assist Prof Dr | Samiha | El-Sebaey | Al-Azhar University, Faculty of Pharmacy | Cancer Science | Egypt | Best Researcher Award | |
| Mrs | Samira | Jafari | Imam khomeini international university | Others | Iran | Excellence in Research | |