| 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 | |
| Dr | Dipak | Bhattacharya | Dukhulal Nibaran Chandra College, Murshidabad, West Bengal | India | Social Sciences | Education | Best Researcher Award | bestpaperawards.com |
| Prof | DINKAR | SAHAL | FORMERLY AT ICGEB | India | Biochemistry, Genetics and Molecular Biology | PEPTIDE AND PROTEIN CHEMISTRY, DRUG DISCOVERY | Best Researcher Award | |
| Assist. Prof. Dr | Dimitris | Tsiachris | National and Kapodistrian University of Athens | Greece | Medicine and Dentistry | Cardiology | Best Researcher Award | bestpaperawards.com |
| Assoc Prof Dr | Dimitris | Tsouknidis | Athens University of Economics and Business | Greece | Economics, Econometrics and Finance | Energy Economics | Best Researcher Award | |
| 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 | Dilek | SOYLU | Kahramanmaraş Sütçü İmam Universty | Turkey | Nursing and Health Professions | Surgical nursing | 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 | |
| Assoc. Prof. Dr | Diana Carmen | Mirila | University of Bacau | Romania | Social Sciences | Sociology of Education/Student Attitudes and Behavior/Educational Policy and Reform | Best Researcher Award | bestpaperawards.com |
| Dr | Diana | Fernandes | LAQV/REQUIMTE-FCUP | Portugal | Chemistry | Engenharia Materiais/Eletroquímica/Eletrocatálise | Best Paper Award | |
| Dr | Dhulfiqar Zoltán | Alwahab | Obuda University/John von Neumann Faculty of Informatics | Hungary | Computer Science | IoT/ cloud computing | Best Researcher Award | bestpaperawards.com |
| Prof | Dhrubajyoti | Chattopadhyay | Sister Nivedita University | India | Biochemistry, Genetics and Molecular Biology | Virlogy | Best Researcher Award | |
| Mr | Dhiroj | Koirala | UMass Amherst | United States | Economics, Econometrics and Finance | Energy | Best Researcher Award | |
| Dr | DHANYA | DHARMAN | EZHUTHACHAN COLLEGE OF PHARMACEUTICAL SCIENCES | India | Pharmacology, Toxicology and Pharmaceutical Science | PHARMACY PRACTICE | Best Research Article Award | |
| Mr | Dhakshna moorthy | D | Saveetha institute of medical and technical science | India | Materials Science | Fiber | Best Researcher Award | |