| Dr | Dorian | Gaboriau | Université du Québec en Abitibi-Témiscamingue | Canada | Environmental Science | Écologie Forestière | Best Researcher Award | |
| Dr | Dorcas | Kalele | African Centre for Technology Studies | Kenya | Agricultural and Biological Sciences | Climate Change and Risk Management | Best Paper Award | |
| Prof. Dr. | Doosam | Song | Sungkyunkwan University | South Korea | Engineering | Building Science | Best Researcher Award | bestpaperawards.com |
| Mr | DONG-JOON | OH | Han Wha Pharma Co., Ltd | South Korea | Pharmacology, Toxicology and Pharmaceutical Science | Pharmaceutical Formulation, Fixed-Dose Combination, Modified Release Tablets, Multi-layer Coating Technology, Drug Delivery System | Best Researcher Award | bestpaperawards.com |
| Prof | Dong Kyun | Min | Korea University of Technology and Education | South Korea | Engineering | mechatronics engineering | Best Researcher Award | bestpaperawards.com |
| Dr | Doaa | Althalathini | Oxford Brookes University | United Kingdom | Business, Management and Accounting | Entrepreneurship | Best Researcher Award | |
| Prof Dr | Dmitriy | Volochnyuk | Enamine LLC | Ukraine | Chemistry | Organic Chemistry, Heterogeneous Catalysis | Most Reader's Article Award | |
| Prof. Dr | DJON LI NDJOCK | Benjamin Igor | School of Chemical Engineering and Mineral Industries | Cameroon | Materials Science | Materials Chemistry | Best Researcher Award | |
| Ms | DIPTIREKHA | SAHOO | C. V. Raman Global University, Bhubaneswar, Odisha | India | Mathematics | Fuzzy Optimization | Best Researcher Award | bestpaperawards.com |
| Assist Prof Dr | Diptirani | Rath | Siksha 'O' Anusandhan (Deemed to be University) | India | Pharmacology, Toxicology and Pharmaceutical Science | Pharmacology | Best Researcher Award | |
| Prof | DINKAR | SAHAL | FORMERLY AT ICGEB | India | Biochemistry, Genetics and Molecular Biology | PEPTIDE AND PROTEIN CHEMISTRY, DRUG DISCOVERY | Best Researcher Award | |
| Assoc Prof Dr | Dimitris | Tsouknidis | Athens University of Economics and Business | Greece | Economics, Econometrics and Finance | Energy Economics | Best Researcher Award | |
| Assist. Prof. Dr | Dimitris | Tsiachris | National and Kapodistrian University of Athens | Greece | Medicine and Dentistry | Cardiology | Best Researcher Award | bestpaperawards.com |
| Dr | DILJEET | KAUR | Indian Council of Agricultural Research-Agricultural Technology Application and Research Institute (ICAR-ATARI), Zone-I, Ludhiana | India | Agricultural and Biological Sciences | Agronomy | Best Researcher Award | bestpaperawards.com |
| Assoc Prof Dr | DIEUDONNE | MIGNAMISSI | University of Yaounde II | Cameroon | Economics, Econometrics and Finance | Macroeconomics | Best Paper Award | |
| Prof Dr | Diego | Nascimento | University of Atacama | Chile | Decision Sciences | Applied Statistics | Best Researcher Award | |
| Dr | Diego | Barcellos | Federal University of São Paulo | Brazil | Environmental Science | Environmental Geochemistry | Best Paper Award | |
| Dr | Diego | Alem | Iibce | Uruguay | Biochemistry, Genetics and Molecular Biology | Biotechnology | Best Researcher Award | |
| Assist Prof Dr | Dibyashree | Shrestha | Patan Multiple Campus, Tribhuvan University | Nepal | Energy | Energy storage, supercapacitor | Best Researcher Award | bestpaperawards.com |
| Assoc Prof Dr | Dianyuan | Ding | Yangzhou University | China | Agricultural and Biological Sciences | Dryland Agriculture | Best Researcher Award | |