| Prof Dr | David | Choque Quispe | Universidad Nacional José María Arguedas | Peru | Engineering | Polimeros | Best Researcher Award | worldtopscientists.com |
| Dr | David | Reynalte-Tataje | Universidade Federal da Fronteira Sul | Brazil | Environmental Science | Biologia da Conservação | Best Researcher Award | worldtopscientists.com |
| Dr | David | Peña-Otero | Hospital Universitario Marqués de Valdecilla | Spain | Nursing and Health Professions | Covid; Emergencies; Non invasive Ventilation | Best Researcher Award | worldtopscientists.com |
| Mr | DAVID | BYIRINGIRO | Wuhan University of Technology | Burundi | Engineering | Risk management/Post-disaster Reconstruction | Best Researcher Award | worldtopscientists.com |
| Dr | Danyang | Cao | North China University of Technology | China | Computer Science | Data Mining | Best Researcher Award | worldtopscientists.com |
| Dr | Daniel | Akyeampong | Medical University of South Carolina | United States | Medicine and Dentistry | Surgery | Best Researcher Award | worldtopscientists.com |
| Assist. Prof. Dr | Dania | Alhyari | Petra University | Jordan | Pharmacology, Toxicology and Pharmaceutical Science | molecular bioligy | Best Researcher Award | worldtopscientists.com |
| Mrs | Daiane | Caldeira | Universidade Federal de Viçosa | Brazil | Agricultural and Biological Sciences | Reuso de efluentes tratados | Best Researcher Award | |
| Dr | Daiane | de Vargas Brondani | Institute of Atmospheric Sciences and Climate | Italy | Other | Meteorology | Best Researcher Award | worldtopscientists.com |
| Dr | Daeeun "Daniel" | Choi | California State University-Northridge | United States | Decision Sciences | Information Systems/Sustainability and Privacy/Smart EVs | Best Researcher Award | |
| Prof | Da | XIE | Shanghai JiaoTong University | China | Engineering | electrical engineer | Best Researcher Award | |
| Prof. Dr | D.S. | Vijayan | SRM Institute of Science and Technology (Deemed to be University) | India | Engineering | Civil Engineering | Research and Development Achievement Award | worldtopscientists.com |
| Ms | Cristina | Andras | UNIVERSITATEA POLITEHNICA TIMISOARA | Romania | Engineering | Telecommunications | Best Researcher Award | worldtopscientists.com |
| Dr | Cristiano | Fidani | Istituto Nazionale di Geofisica e Vulcanologia | Italy | Earth and Planetary Sciences | Meteorology | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Costica | BEJINARIU | „Gheorghe Asachi” Technical University from Iasi | Romania | Engineering | Materials Science/Materials Engineering/Materials Technology | Best Researcher Award | worldtopscientists.com |
| Prof. Dr | Cornelia | Kasper | BOKU, Department für Biotechnologie, Institut für Zell- und Gewebekulturtechnologien | Austria | Agricultural and Biological Sciences | Biotechnologie | Best Researcher Award | worldtopscientists.com |
| Assoc. Prof. Dr | Conglin | Zhang | Institutes of Science and Development, Chinese Academy of Science | China | Social Sciences | public policy and management | Best Researcher Award | worldtopscientists.com |
| Dr | Codruta Olimpiada | Iliescu Halitchi | UMF Gr. T. Popa Iasi, Romania | Romania | Medicine and Dentistry | Education | Best Research Article Award | worldtopscientists.com |
| Dr | Clitor | Souza | UFGD | Brazil | Agricultural and Biological Sciences | Food Science | Best Innovation Award | |
| Mr | Cleyton | de Almeida Araújo | Universidade Federal do Vale do São Francisco | Brazil | Agricultural and Biological Sciences | fodder cultivation | Best Researcher Award | |