| Prof Dr | Rommel Mario | Rodriguez Burbano | Ophir Loyola Hospital | Oncology and Precision Medicine | Brazil | Best Researcher Award | pencis.com |
| Dr. | Roberta | Lanzara | University "G. d'Annunzio" of Chieti and Pescara | Others | Italy | Best Researcher Award | pencis.com |
| Mrs | Rimjhim | Mohanty | KIIT School of Biotechnology | Targeted Cancer Therapy | India | Young Scientist Award | |
| Dr | Richard | WOJDAT | Franziskus Hospital Bielefeld-Herford | Oncology Therapy | Germany | Best Research Award | |
| Dr. | Richard | Laga | Institute of Macromolecular Chemistry CAS | Others | Czech Republic | Best Researcher Award | |
| Dr | Ricardo da | Alves | University of Valley Sapucai | Others | Brazil | Best Research Award | |
| Dr | reyhane | zarbaf | imam khomaini Qazvin | Oncology Management and Prevention | Iran | Best Researcher Award | |
| Ms | Rebecca | Louison | Mount Mercy University | Oncology Alternative Medicine | United States | Best Research Award | |
| Prof | Raul | Andino | University of California, San Francisco | Oncology Therapeutics and Novel Approaches | United States | Best Researcher Award | |
| Dr | Rashmi | S | Dayananda Sagar College of Engineering | Tumour Immunology | India | Best Researcher Award | |
| Dr | Ranin | Soliman | University of Oxford | Others | Egypt | Best Researcher Award | |
| Assoc. Prof. Dr. | Rami | Nassir | Pathology - School of Medicine - Umm AlQura University | Cancer Genetics | Saudi Arabia | Best Researcher Award | pencis.com |
| Assoc. Prof. Dr. | Rami | Bou Khalil | Hotel Dieu de France / Saint-Joseph University | Pharmaco-Oncology | Lebanon | Best Researcher Award | pencis.com |
| Prof Dr | Rajeev | Agrawal | G. L. Bajaj Institute of Technology & management | Oncology Management and Prevention | India | Best Researcher Award | |
| Prof Dr | RAHMİ KEMAL | KOÇ | ERCİYES UNIVERSİTY | Oncology Therapeutics and Novel Approaches | Turkey | Best Researcher Award | |
| Assoc Prof Dr | RAFİYE | CİFTCİLER | SELCUK UNIVERSITY FACULTY OF MEDICINE DEPARTMENT OF HEMATOLOGY | Targeted Cancer Therapy | Turkey | Best Review Article Award | pencis.com |
| Mr | Raffaele | Longo | Università degli studi di Salerno | Oncology Therapeutics and Novel Approaches | Italy | Young Scientist Award | |
| Assoc. Prof. Dr. | Rafael | Braga | Universidade Federal do Estado do Rio de Janeiro | Cancer Cell Biology | Brazil | Best Researcher Award | |
| Prof | RAFAEL | MORENO-SANCHEZ | UNIVERSIDAD NACIONAL AUTONOMA DE MEXICO, FACULTAD DE ESTUDIOS SUPERIORES IZTACALA | Cancer Science | Mexico | Best Researcher Award | |
| Dr | Radwa | Rasheedy | Ain Shams University | Others | Egypt | Best Research Award | |