| Mr | David | Owolabi | MORGAN STATE UNIVERSITY | United States | Best Researcher Award | popularengineer.org |
| Mr | Daria | Avdanina | “Fundamentals of Biotechnology” of the Russian Academy of Sciences (Research Center of Biotechnology RAS) | Russia | Women Researcher Award | popularengineer.org |
| Mr | Dapeng Zhang | Zhang | Guangdong Ocean University | China | Research Excellence Award | popularengineer.org |
| Assoc Prof Dr | Danijela | Domljan | University of Zagreb Faculty of Forestry and Wood Technology, department of Furniture and Wood in Constructions | Croatia | Best Researcher Award | popularengineer.org |
| Dr | Daniela | Ticha | Department of Orthodontics, Regenerative and Forensic Dentistry, Faculty of Medicine, Comenius University in Bratislava, 81102 Bratislava, Slovakia | Slovakia | Best Researcher Award | popularengineer.org |
| Dr | Daniela | Fico | CNR-ISPC | Italy | Best Researcher Award | popularengineer.org |
| Prof. Dr. | Daniel | Paramythiotis | University General Hospital of Thessaloniki AHEPA, Aristotle University of Thessaloniki | Greece | Best Researcher Award | popularengineer.org |
| Dr | Danial | Waleed | University of Vermont | United States | Best Researcher Award | popularengineer.org |
| Dr. | Dan Ioan | Avasiloaiei | Vegetable Research and Development Station Bacău | Romania | Environmental Engineering Award | popularengineer.org |
| Ms. | Dan | Cui | College of Chemistry and Chemical Engineering, Shihezi University | China | | popularengineer.org |
| Dr | Dalia | El- Gazzar | national water research center | Egypt | Best Researcher Award | popularengineer.org |
| Prof | Dahi | Ibrahim | National Institute of Standards | Egypt | Best Researcher Award | popularengineer.org |
| Dr | da | shi | Zhejiang University | China | Best Researcher Award | popularengineer.org |
| Mr | Cyrille vinceslas | Fohagui fodoup | University of bamenda | Cameroon | Research Excellence Award | popularengineer.org |
| Assoc. Prof. Dr | Cyrille | BIsseye | USTM | Gabon | Best Researcher Award | popularengineer.org |
| Mr | Cynthia Richter | Ojijo | University of Innsbruck | Austria | Research Excellence Award | popularengineer.org |
| Assoc. Prof. Dr | Corina | Moisa | University of Oradea | Romania | Outstanding Innovation Award | popularengineer.org |
| Dr | Congxi | Fang | Institute of Mountain Hazards and Environment, Chinese Academy of Sciences | China | Best Researcher Award | popularengineer.org |
| Assoc Prof Dr | Congwen | Duan | North China Electric Power University | China | Best Researcher Award | popularengineer.org |
| Prof. Dr | Claudia | Popescu | Bucharest University of Economic Studies & Institute of Geography Romanian Academy | Romania | Best Researcher Award | popularengineer.org |