| Dr | Sophie | Deneuve | Leon Berard Comprehensive Cancer Center | Radiation Oncology | France | Best Researcher Award | |
| Ms. | FİLİZ | DEMİRDÖĞEN | ERZİNCAN BİNALİ YILDIRIM UNIVERSITY MENGÜCEK GAZİ EDUCATION AND RESEARCH HOSPITAL | Others | Turkey | Excellence in Research | |
| Assist. Prof. Dr. | Duygu | Demir | University of Yalova | Oncology Nursing | Turkey | Research Excellence Award | pencis.com |
| Prof. | Paolo | De Simone | UNIVERSITY OF PISA | Oncology Therapy | Italy | Most Liked Article Award | pencis.com |
| Prof. Dr. | Elena | De Falco | Sapienza Università di Roma | Cancer Cell Biology | Italy | Women Researcher Award | |
| Dr | Dania | Daye | Massachusetts General Hospital/Harvard Medical School | Oncology and Precision Medicine | United States | Best Researcher Award | |
| Dr. | Ali | Dawood | university of Mosul | Oncology Therapy | Iraq | Best Researcher Award | |
| Dr. | Alaa | Darkazally | Damascus University | Gastric cancer | Syria | Best Researcher Award | pencis.com |
| Assist Prof Dr | Amir | Danyaei | Ahvaz Jundishapur University of Medical Sciences | Targeted Cancer Therapy | Iran | Best Researcher Award | |
| Dr. | Ping | Dai | Department of Radiotherapy, Shanghai Fourth People’s Hospital, School of Medicine, Tongji University | Oncology Therapy | China | | pencis.com |
| Dr. | Tshetiz | Dahal | Lugansk State Medical University - Ukraine | Cancer Science | India | Best Researcher Award | |
| Dr. | Alok | Dahal | BPKIHS | Oncology Management and Prevention | Nepal | Best Researcher Award | |
| Dr | Mohammad | Daboos | Pediatric surgery Department, Al-Azhar University | Oncology Case Reports | Egypt | Best Research Award | |
| Mrs. | Feryal | Dabbagh-Gorjani | Foroogh Salamat | Tumor Immunology | Iran | Best Researcher Award | pencis.com |
| Dr | Luiz | Cunha | Universidade Federal do Pará | Radiation Oncology | Brazil | Best Research Award | |
| Mrs | Terri | Crudup | IQVIA | Oncology Therapeutics and Novel Approaches | United States | Best Researcher Award | |
| Mrs | M Christina | cox | King's College Nhs Trust | Oncology Management and Prevention | United Kingdom | Women Researcher Award | |
| Prof. | Katia | Cortese | University of Genoa | Targeted Cancer Therapy | Italy | Best Researcher Award | |
| Dr | Logan | Corey | Wayne State University | Oncology Management and Prevention | United States | Best Researcher Award | |
| Dr | Özlem | Çoban | Karadeniz Technical University | Targeted Cancer Therapy | Turkey | Best Researcher Award | |