| Prof | Hiroshi | Daimon | Institute for Molecular Science | Japan | Materials Science | Photoelectron holography | Best Researcher Award | |
| Prof | Romano | Dallai | University of Siena | Italy | Agricultural and Biological Sciences | Entomologia- ultrastruttura insetti | Best Researcher Award | |
| Dr | Gace Athanase | Dalson | University of Rwanda | Rwanda | Engineering | Mechanical Engineering/Fluid Mechanics/Flow Measurement and Instrumentation | Best Researcher Award | bestpaperawards.com |
| Dr | Masood | Danesh | Urmia university of technology | Iran | Engineering | Engineering Optimization | Best Researcher Award | |
| Dr | Alex Boadi | Dankyi | University of Cape Coast | Ghana | Energy | Energy Economics and Environmental Management | Most Reader's Article Award | |
| Assoc Prof Dr | Kais | Daoudi | University of Sharjah | United Arab Emirates | Materials Science | Nanomaterials and Bisensors | Best Paper Award | |
| Dr | Fakhrieh | Darabseh | Yarmouk University | Jordan | Social Sciences | TOURISM/ ACCESSIBLE TOURISM/ tourism for disabled | Best Researcher Award | |
| Assoc Prof Dr | Ali | Darvishi Boloorani | Department of Remote Sensing and GIS, Faculty of Geography, University of Tehran | Iran | Engineering | Environmental Remote Sensing | Best Researcher Award | |
| Assoc Prof Dr | Osama | Darwesh | national research centre | Egypt | Agricultural and Biological Sciences | Envoronmental microbiology and nanotechnology | Best Researcher Award | |
| Mr | Ramyaranjan | Das | National Institute of Technology Rourkela, Rourkela, Odisha India-769008 | India | Materials Science | Polymer Composites | Best Researcher Award | bestpaperawards.com |
| Ms | Priyanka | Das | Ford Motor company | United States | Engineering | Robotics/Autonomous systems/ Manufacturing | Best Researcher Award | bestpaperawards.com |
| Dr | Sankar | Das | Yeungnam University | South Korea | Environmental Science | materials science | Most Cited Article Award | |
| Assoc Prof Dr | ARCHANA | DAS | CSIR-North East Institute of Science & Technology , Jorhat, Assam, India | India | Chemistry | Natural Product Chemistry, Organic Chemistry | Best Researcher Award | |
| Dr | B. | Das | Bankura University | India | Materials Science | Thermoelasticity and Magneto-themoelasticity | Best Researcher Award | |
| Dr | Sudhansu Ranjan | Das | Veer Surendra Sai University of Technology | India | Engineering | Manufacturing Engineering | Best Researcher Award | bestpaperawards.com |
| Dr | Segla Innocent | DASSEKPO | UAC | Benin | Environmental Science | Ethnobotany | Best Researcher Award | |
| Prof. Dr | Flavio | De Barbieri | Universidad Tecnica Federico Santa Maria | Chile | Materials Science | Mechanical Behavior of Materials | Best Researcher Award | bestpaperawards.com |
| Prof | Acácio Aparecido | de Castro Andrade | Federal University of Uberlândia | Brazil | Physics and Astronomy | Condensed Matter Physics | Best Researcher Award | bestpaperawards.com |
| Mr | Alberto | de la Calle | Universidad de Deusto | Spain | Economics, Econometrics and Finance | Servitization | Most Reader's Article Award | |
| Mrs | Sherly | de Yong | Petra Christian University | Indonesia | Arts and Humanities | Design | Best Researcher Award | bestpaperawards.com |